MASTER Net MASTER Database: IceCube250421.71 page

Please use the reference to MASTER DataBase as Lipunov et al., 2010, MASTER Robotic Net, Advances in Astronomy, vol. 2010, p.30L

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GRB coord: ErrorBox (deg): Sys Error (deg):
Sattel : Trigger: Notice:
GRB_Name: trignum: Nights after: FullSky


Name ICECUBE IceCube250421.71
Trignum 2517159
Trigger time 2025-04-21 17:06:08.07
Notice time 2025-04-21 17:07:13.144888
Coord, eb (16h 02m 52.80s , +28d 41m 24.0s) , 1.29
Max dist: 1 sigma 3 sigma
AGN candidates: Milliquas
r90wise
wiseXgaia
BL Lac candidates: 1 Sigma
3 Sigma

MASTER observatories and transients from them in error-field
Kislovodsk Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
Amur Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
Tunka Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
OAFA Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
IAC Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
SAAO Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
Tavrida Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)
OAGH Transients (Undef)
(All)
(Yes)
Trans. Difference (Undef)
(All)
(Yes)
(Gal)

You are viewing outdated information, relevant error box is here

All alerts for this trigger
id noticetime coord2000 satel errorbox type trigger seq trig_type links
2849189 2025-04-21 21:08:06.389028 16h 03m 38.38s +28d 40m 12.0s ICECUBE 2.62 alert 2517159 4 174 alert

DAYS:

MASTER optical transients in this field
Will be published in GCN, ATEL

Synchronous WFC images
Distance datetime coord2000 observatory camera links
Errorbox center visibility at MASTER facilities
trigger notice notice+1hr now

2025-04-21 17:06:08 (JD 2460787.212593)

Siderial time 9.611660 h

Ra 16:02:52.80 Dec 28:41:24.00
(240.720000d, 28.690000d)

Rise 2025-04-22 13:47:03

Transit 2025-04-22 23:27:19

Set 2025-04-22 09:11:32

Amur

Object: Altitude: 67.79 Azimuth: 344.34

Sun: Altitude: -24.04 Azimuth: 206.59

Moon: Altitude: -9.68 Azimuth: 292.30

Tunka

Object: Altitude: 57.33 Azimuth: 302.94

Sun: Altitude: -26.19 Azimuth: 180.32

Moon: Altitude: -24.89 Azimuth: 273.83

Kislovodsk

Object: Altitude: 18.29 Azimuth: 247.45

Sun: Altitude: -11.94 Azimuth: 119.77

Moon: Altitude: -64.09 Azimuth: 216.51

Tavrida

Object: Altitude: 13.18 Azimuth: 242.48

Sun: Altitude: -6.05 Azimuth: 113.53

Moon: Altitude: -66.02 Azimuth: 197.92

SAAO

Object: Altitude: -33.42 Azimuth: 254.77

Sun: Altitude: -13.11 Azimuth: 96.03

Moon: Altitude: -35.76 Azimuth: 6.27

IAC

Object: Altitude: -26.47 Azimuth: 208.68

Sun: Altitude: 31.32 Azimuth: 87.06

Moon: Altitude: -50.83 Azimuth: 89.93

Argentina

Object: Altitude: -69.51 Azimuth: 87.38

Sun: Altitude: 45.55 Azimuth: 168.94

Moon: Altitude: 15.74 Azimuth: 74.01

Mexico

Object: Altitude: -4.32 Azimuth: 127.41

Sun: Altitude: 53.97 Azimuth: 294.54

Moon: Altitude: 22.92 Azimuth: 43.84

Ural

Object: Altitude: 31.96 Azimuth: 265.54

Sun: Altitude: -12.32 Azimuth: 136.70

Moon: Altitude: -47.05 Azimuth: 228.45

Vostryakovo

Object: Altitude: 19.87 Azimuth: 247.98

Sun: Altitude: -3.67 Azimuth: 117.36

Moon: Altitude: -55.14 Azimuth: 198.97

Gal. latitude: 47.501433 Gal. longitude: 46.573810

Dist. to Sun: 129.252522

Dist. to Moon: 85.779035

Moon coord.: (312.840903 d, -21.608045 d)

Sun coord.: (29.334137 d, 11.996036 d)

Lunar disk: 0.433539

Lunar phase: 97.638421

Lunar bright limb: 73.731208

No SN in this field

2025-04-21 17:07:13 (JD 2460787.213345)

Siderial time 9.629765 h

Ra 16:02:52.80 Dec 28:41:24.00
(240.720000d, 28.690000d)

Rise 2025-04-22 13:47:03

Transit 2025-04-22 23:27:19

Set 2025-04-22 09:11:32

Amur

Object: Altitude: 67.83 Azimuth: 344.96

Sun: Altitude: -23.97 Azimuth: 206.87

Moon: Altitude: -9.52 Azimuth: 292.49

Tunka

Object: Altitude: 57.47 Azimuth: 303.30

Sun: Altitude: -26.19 Azimuth: 180.61

Moon: Altitude: -24.73 Azimuth: 274.03

Kislovodsk

Object: Altitude: 18.47 Azimuth: 247.61

Sun: Altitude: -12.11 Azimuth: 119.98

Moon: Altitude: -63.97 Azimuth: 217.00

Tavrida

Object: Altitude: 13.35 Azimuth: 242.65

Sun: Altitude: -6.23 Azimuth: 113.73

Moon: Altitude: -65.96 Azimuth: 198.50

SAAO

Object: Altitude: -33.20 Azimuth: 254.67

Sun: Altitude: -13.33 Azimuth: 95.89

Moon: Altitude: -35.79 Azimuth: 5.98

IAC

Object: Altitude: -26.36 Azimuth: 208.92

Sun: Altitude: 31.08 Azimuth: 87.19

Moon: Altitude: -51.06 Azimuth: 90.06

Argentina

Object: Altitude: -69.74 Azimuth: 87.21

Sun: Altitude: 45.51 Azimuth: 168.56

Moon: Altitude: 15.53 Azimuth: 73.90

Mexico

Object: Altitude: -4.51 Azimuth: 127.56

Sun: Altitude: 54.18 Azimuth: 294.82

Moon: Altitude: 22.77 Azimuth: 44.05

Ural

Object: Altitude: 32.11 Azimuth: 265.76

Sun: Altitude: -12.42 Azimuth: 136.95

Moon: Altitude: -46.94 Azimuth: 228.77

Vostryakovo

Object: Altitude: 20.02 Azimuth: 248.18

Sun: Altitude: -3.81 Azimuth: 117.59

Moon: Altitude: -55.09 Azimuth: 199.38

Gal. latitude: 47.501433 Gal. longitude: 46.573810

Dist. to Sun: 129.252723

Dist. to Moon: 85.785104

Moon coord.: (312.851009 d, -21.604761 d)

Sun coord.: (29.334840 d, 11.996291 d)

Lunar disk: 0.433460

Lunar phase: 97.647623

Lunar bright limb: 73.727611

No SN in this field

2025-04-21 18:07:13 (JD 2460787.255012)

Siderial time 10.632503 h

Ra 16:02:52.80 Dec 28:41:24.00
(240.720000d, 28.690000d)

Rise 2025-04-22 13:47:03

Transit 2025-04-22 23:27:19

Set 2025-04-22 09:11:32

Amur

Object: Altitude: 67.41 Azimuth: 20.04

Sun: Altitude: -18.57 Azimuth: 221.52

Moon: Altitude: -1.21 Azimuth: 303.14

Tunka

Object: Altitude: 64.06 Azimuth: 326.94

Sun: Altitude: -24.77 Azimuth: 196.80

Moon: Altitude: -15.77 Azimuth: 284.77

Kislovodsk

Object: Altitude: 28.80 Azimuth: 256.58

Sun: Altitude: -20.85 Azimuth: 132.28

Moon: Altitude: -56.01 Azimuth: 238.99

Tavrida

Object: Altitude: 23.20 Azimuth: 251.91

Sun: Altitude: -15.49 Azimuth: 125.34

Moon: Altitude: -60.24 Azimuth: 225.81

SAAO

Object: Altitude: -21.14 Azimuth: 248.64

Sun: Altitude: -25.99 Azimuth: 87.99

Moon: Altitude: -35.47 Azimuth: 349.39

IAC

Object: Altitude: -18.78 Azimuth: 220.62

Sun: Altitude: 17.89 Azimuth: 94.27

Moon: Altitude: -63.70 Azimuth: 98.82

Argentina

Object: Altitude: -82.28 Azimuth: 68.32

Sun: Altitude: 40.89 Azimuth: 149.40

Moon: Altitude: 3.84 Azimuth: 67.10

Mexico

Object: Altitude: -14.07 Azimuth: 136.77

Sun: Altitude: 64.79 Azimuth: 315.13

Moon: Altitude: 13.49 Azimuth: 54.34

Ural

Object: Altitude: 40.27 Azimuth: 278.63

Sun: Altitude: -17.19 Azimuth: 151.31

Moon: Altitude: -40.19 Azimuth: 244.91

Vostryakovo

Object: Altitude: 28.21 Azimuth: 259.52

Sun: Altitude: -10.85 Azimuth: 130.58

Moon: Altitude: -50.79 Azimuth: 220.67

Gal. latitude: 47.501433 Gal. longitude: 46.573810

Dist. to Sun: 129.263817

Dist. to Moon: 86.121602

Moon coord.: (313.410370 d, -21.421802 d)

Sun coord.: (29.373815 d, 12.010389 d)

Lunar disk: 0.429052

Lunar phase: 98.157623

Lunar bright limb: 73.529456

No SN in this field

2025-04-24 09:04:06 (JD 2460789.877847)

Siderial time 1.752905 h

Ra 16:02:52.80 Dec 28:41:24.00
(240.720000d, 28.690000d)

Rise 2025-04-24 13:39:11

Transit 2025-04-24 23:19:27

Set 2025-04-24 09:03:40

Amur

Object: Altitude: 2.96 Azimuth: 226.33

Sun: Altitude: 13.48 Azimuth: 94.02

Moon: Altitude: -28.76 Azimuth: 117.62

Tunka

Object: Altitude: -5.02 Azimuth: 206.99

Sun: Altitude: 28.52 Azimuth: 73.72

Moon: Altitude: -13.75 Azimuth: 97.26

Kislovodsk

Object: Altitude: -12.68 Azimuth: 153.70

Sun: Altitude: 59.14 Azimuth: 358.79

Moon: Altitude: 26.29 Azimuth: 49.91

Tavrida

Object: Altitude: -8.80 Azimuth: 146.85

Sun: Altitude: 57.21 Azimuth: 343.38

Moon: Altitude: 29.96 Azimuth: 41.31

SAAO

Object: Altitude: -46.13 Azimuth: 99.24

Sun: Altitude: 39.94 Azimuth: 208.91

Moon: Altitude: 56.93 Azimuth: 137.16

IAC

Object: Altitude: 12.01 Azimuth: 116.29

Sun: Altitude: 32.63 Azimuth: 272.52

Moon: Altitude: 52.29 Azimuth: 334.44

Argentina

Object: Altitude: 19.23 Azimuth: 144.55

Sun: Altitude: -25.75 Azimuth: 270.44

Moon: Altitude: 21.83 Azimuth: 263.80

Mexico

Object: Altitude: 86.84 Azimuth: 317.67

Sun: Altitude: -39.24 Azimuth: 214.11

Moon: Altitude: -19.77 Azimuth: 265.47

Ural

Object: Altitude: -3.62 Azimuth: 169.03

Sun: Altitude: 44.11 Azimuth: 22.51

Moon: Altitude: 9.91 Azimuth: 61.57

Vostryakovo

Object: Altitude: -0.97 Azimuth: 150.42

Sun: Altitude: 47.30 Azimuth: 352.30

Moon: Altitude: 20.37 Azimuth: 41.76

Gal. latitude: 47.501433 Gal. longitude: 46.573810

Dist. to Sun: 129.917293

Dist. to Moon: 107.806307

Moon coord.: (347.562220 d, -6.362351 d)

Sun coord.: (31.834022 d, 12.886103 d)

Lunar disk: 0.166357

Lunar phase: 131.858007

Lunar bright limb: 66.278678

No SN in this field
Recent coverage and limits telegrams

 #######################################################################################
#######################################################################################

  ID = 12449
TYPE = 35
DAYS = 2


MASTER-Kislovodsk robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the ICECUBE Alert 250421.71 (trigger No 2517159,16h 02m 52.80s , +28d 41m 24.0s, R=1.29) errorbox  21082 sec after notice time and 21147 sec after trigger time at 2025-04-21 22:58:35 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 15 deg. The sun  altitude  is -29.5 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) started inspect of the ICECUBE Alert 250421.71 errorbox  36380 sec after notice time and 36445 sec after trigger time at 2025-04-22 03:13:33 UT, with upper limit up to  19.8 mag. The observations began at zenith distance = 75 deg. The sun  altitude  is -63.7 deg. 

MASTER-Tunka robotic telescope  located in Russia (Applied Physics Institute, Irkutsk State University) started inspect of the ICECUBE Alert 250421.71 errorbox  1 days 1100 sec after notice time and 1 days 1165 sec after trigger time at 2025-04-22 17:25:33 UT, with upper limit up to  21.0 mag. The observations began at zenith distance = 29 deg. The sun  altitude  is -26.5 deg. 

The galactic latitude b = 48 deg., longitude l = 47 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2849042

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

   21177 | 2025-04-21 22:58:35 |   MASTER-Kislovodsk | (15h 56m 30.81s , +28d 05m 01.6s) |   C |    60 | 18.3 |        
   21275 | 2025-04-21 23:00:13 |   MASTER-Kislovodsk | (16h 05m 26.91s , +28d 03m 52.9s) |   C |    60 | 18.5 |        
   21369 | 2025-04-21 23:01:47 |   MASTER-Kislovodsk | (15h 56m 32.92s , +29d 59m 34.7s) |   C |    60 | 18.4 |        
   21452 | 2025-04-21 23:03:10 |   MASTER-Kislovodsk | (16h 01m 36.09s , +28d 57m 32.8s) |   C |    60 | 18.5 |        
   21535 | 2025-04-21 23:04:32 |   MASTER-Kislovodsk | (16h 05m 49.55s , +29d 59m 23.6s) |   C |    60 | 18.3 |        
   21618 | 2025-04-21 23:05:55 |   MASTER-Kislovodsk | (16h 00m 56.86s , +28d 56m 50.7s) |   C |    60 | 18.5 |        
   21701 | 2025-04-21 23:07:19 |   MASTER-Kislovodsk | (15h 57m 26.75s , +26d 09m 30.2s) |   C |    60 | 18.5 |        
   21784 | 2025-04-21 23:08:42 |   MASTER-Kislovodsk | (16h 06m 15.13s , +26d 08m 27.7s) |   C |    60 | 18.3 |        
   21872 | 2025-04-21 23:10:10 |   MASTER-Kislovodsk | (15h 57m 30.28s , +27d 55m 28.7s) |   C |    60 | 18.4 |        
   21962 | 2025-04-21 23:11:40 |   MASTER-Kislovodsk | (16h 05m 31.54s , +28d 05m 04.3s) |   C |    60 | 18.5 |        
   22051 | 2025-04-21 23:13:08 |   MASTER-Kislovodsk | (15h 57m 31.03s , +29d 48m 52.4s) |   C |    60 | 18.4 |        
   22134 | 2025-04-21 23:14:31 |   MASTER-Kislovodsk | (16h 03m 33.66s , +28d 48m 15.9s) |   C |    60 | 18.2 |        
   22225 | 2025-04-21 23:16:02 |   MASTER-Kislovodsk | (16h 05m 42.85s , +29d 58m 37.8s) |   C |    60 | 18.5 |        
   22313 | 2025-04-21 23:17:31 |   MASTER-Kislovodsk | (15h 58m 22.90s , +26d 02m 50.4s) |   C |    60 | 18.5 |        
   22396 | 2025-04-21 23:18:53 |   MASTER-Kislovodsk | (16h 07m 20.08s , +26d 01m 46.7s) |   C |    60 | 18.4 |        
   22480 | 2025-04-21 23:20:17 |   MASTER-Kislovodsk | (15h 57m 23.52s , +27d 54m 39.6s) |   C |    60 | 18.3 |        
   22561 | 2025-04-21 23:21:39 |   MASTER-Kislovodsk | (16h 06m 31.84s , +27d 54m 51.5s) |   C |    60 | 18.4 |        
   22645 | 2025-04-21 23:23:02 |   MASTER-Kislovodsk | (16h 03m 47.65s , +28d 48m 03.3s) |   C |    60 | 18.4 |        
   22729 | 2025-04-21 23:24:27 |   MASTER-Kislovodsk | (15h 57m 30.40s , +29d 47m 32.2s) |   C |    60 | 18.5 |        
   22821 | 2025-04-21 23:25:59 |   MASTER-Kislovodsk | (16h 06m 46.00s , +29d 49m 01.6s) |   C |    60 | 18.3 |        
   22905 | 2025-04-21 23:27:23 |   MASTER-Kislovodsk | (16h 02m 59.34s , +28d 47m 13.7s) |   C |    60 | 18.4 |        
   22989 | 2025-04-21 23:28:46 |   MASTER-Kislovodsk | (15h 58m 20.68s , +26d 01m 13.8s) |   C |    60 | 18.4 |        
   23079 | 2025-04-21 23:30:17 |   MASTER-Kislovodsk | (16h 07m 19.99s , +26d 00m 16.2s) |   C |    60 | 18.4 |        
   23168 | 2025-04-21 23:31:46 |   MASTER-Kislovodsk | (15h 57m 22.17s , +27d 53m 08.2s) |   C |    60 | 18.2 |        
   23249 | 2025-04-21 23:33:07 |   MASTER-Kislovodsk | (16h 06m 30.59s , +27d 53m 33.5s) |   C |    60 | 18.4 |        
   23332 | 2025-04-21 23:34:30 |   MASTER-Kislovodsk | (15h 57m 29.74s , +29d 49m 01.8s) |   C |    60 | 18.3 |        
   23416 | 2025-04-21 23:35:53 |   MASTER-Kislovodsk | (16h 02m 59.31s , +28d 46m 20.5s) |   C |    60 | 18.4 |        
   23500 | 2025-04-21 23:37:17 |   MASTER-Kislovodsk | (16h 06m 46.26s , +29d 48m 42.9s) |   C |    60 | 18.5 |        
   23582 | 2025-04-21 23:38:40 |   MASTER-Kislovodsk | (15h 58m 38.21s , +31d 42m 59.5s) |   C |    60 | 18.3 |        
   23675 | 2025-04-21 23:40:13 |   MASTER-Kislovodsk | (16h 08m 06.89s , +31d 42m 00.6s) |   C |    60 | 18.3 |        
   23758 | 2025-04-21 23:41:36 |   MASTER-Kislovodsk | (15h 58m 20.02s , +25d 59m 10.7s) |   C |    60 | 18.3 |        
   23841 | 2025-04-21 23:42:59 |   MASTER-Kislovodsk | (16h 07m 19.25s , +25d 59m 29.4s) |   C |    60 | 18.3 |        
   23923 | 2025-04-21 23:44:21 |   MASTER-Kislovodsk | (15h 57m 24.42s , +27d 55m 01.1s) |   C |    60 | 18.4 |        
   24006 | 2025-04-21 23:45:44 |   MASTER-Kislovodsk | (16h 06m 29.06s , +27d 53m 16.7s) |   C |    60 | 18.4 |        
   24089 | 2025-04-21 23:47:06 |   MASTER-Kislovodsk | (15h 57m 31.86s , +29d 48m 38.3s) |   C |    60 | 18.4 |        
   24171 | 2025-04-21 23:48:29 |   MASTER-Kislovodsk | (16h 06m 39.44s , +29d 48m 02.0s) |   C |    60 | 18.5 |        
   24253 | 2025-04-21 23:49:51 |   MASTER-Kislovodsk | (15h 58m 34.34s , +31d 42m 56.4s) |   C |    60 | 18.3 |        
   24337 | 2025-04-21 23:51:15 |   MASTER-Kislovodsk | (16h 08m 07.18s , +31d 42m 00.6s) |   C |    60 | 18.2 |        
   24419 | 2025-04-21 23:52:37 |   MASTER-Kislovodsk | (15h 58m 19.75s , +25d 59m 08.0s) |   C |    60 | 18.5 |        
   24503 | 2025-04-21 23:54:00 |   MASTER-Kislovodsk | (16h 07m 17.89s , +25d 59m 14.5s) |   C |    60 | 18.3 |        
   24586 | 2025-04-21 23:55:24 |   MASTER-Kislovodsk | (15h 57m 24.98s , +27d 54m 39.2s) |   C |    60 | 18.4 |        
   24671 | 2025-04-21 23:56:48 |   MASTER-Kislovodsk | (16h 06m 27.62s , +27d 53m 20.7s) |   C |    60 | 18.4 |        
   24754 | 2025-04-21 23:58:11 |   MASTER-Kislovodsk | (15h 57m 31.26s , +29d 48m 28.6s) |   C |    60 | 18.5 |        
   24836 | 2025-04-21 23:59:34 |   MASTER-Kislovodsk | (16h 06m 39.93s , +29d 48m 02.0s) |   C |    60 | 18.1 |        
   24918 | 2025-04-22 00:00:56 |   MASTER-Kislovodsk | (15h 58m 34.74s , +31d 42m 54.9s) |   C |    60 | 18.3 |        
   25011 | 2025-04-22 00:02:29 |   MASTER-Kislovodsk | (16h 08m 04.50s , +31d 41m 58.9s) |   C |    60 | 18.3 |        
   25095 | 2025-04-22 00:03:52 |   MASTER-Kislovodsk | (15h 58m 19.27s , +25d 59m 06.6s) |   C |    60 | 18.5 |        
   25178 | 2025-04-22 00:05:15 |   MASTER-Kislovodsk | (16h 07m 18.60s , +25d 59m 18.3s) |   C |    60 | 18.4 |        
   25260 | 2025-04-22 00:06:37 |   MASTER-Kislovodsk | (16h 14m 35.48s , +27d 53m 24.2s) |   C |    60 | 18.4 |        
   25423 | 2025-04-22 00:09:20 |   MASTER-Kislovodsk | (16h 14m 55.83s , +29d 49m 02.3s) |   C |    60 | 18.5 |        
   25591 | 2025-04-22 00:12:08 |   MASTER-Kislovodsk | (15h 58m 33.07s , +31d 40m 48.1s) |   C |    60 | 18.4 |        
   25673 | 2025-04-22 00:13:31 |   MASTER-Kislovodsk | (16h 08m 05.94s , +31d 41m 04.6s) |   C |    60 | 18.4 |        
   25838 | 2025-04-22 00:16:16 |   MASTER-Kislovodsk | (15h 49m 17.53s , +27d 54m 38.2s) |   C |    60 | 18.3 |        
   25922 | 2025-04-22 00:17:39 |   MASTER-Kislovodsk | (16h 14m 33.10s , +27d 54m 04.7s) |   C |    60 | 18.4 |        
   26099 | 2025-04-22 00:20:37 |   MASTER-Kislovodsk | (16h 15m 02.20s , +29d 47m 57.2s) |   C |    60 | 18.0 |        
   26268 | 2025-04-22 00:23:25 |   MASTER-Kislovodsk | (15h 58m 40.47s , +31d 41m 07.7s) |   C |    60 | 18.4 |        
   26350 | 2025-04-22 00:24:47 |   MASTER-Kislovodsk | (16h 08m 00.84s , +31d 42m 25.0s) |   C |    60 | 18.4 |        
   26517 | 2025-04-22 00:27:34 |   MASTER-Kislovodsk | (15h 49m 16.89s , +27d 54m 28.4s) |   C |    60 | 18.3 |        
   26600 | 2025-04-22 00:28:57 |   MASTER-Kislovodsk | (16h 14m 31.40s , +27d 53m 55.4s) |   C |    60 | 18.5 |        
   27460 | 2025-04-22 00:43:17 |   MASTER-Kislovodsk | (16h 14m 57.55s , +29d 48m 45.1s) |   C |    60 | 18.3 |        
   27636 | 2025-04-22 00:46:14 |   MASTER-Kislovodsk | (15h 58m 31.30s , +31d 43m 13.1s) |   C |    60 | 18.3 |        
   27718 | 2025-04-22 00:47:35 |   MASTER-Kislovodsk | (16h 07m 56.12s , +31d 44m 20.1s) |   C |    60 | 18.2 |        
   27888 | 2025-04-22 00:50:25 |   MASTER-Kislovodsk | (15h 49m 09.64s , +27d 54m 01.0s) |   C |    60 | 18.2 |        
   27970 | 2025-04-22 00:51:47 |   MASTER-Kislovodsk | (16h 14m 37.86s , +27d 54m 48.5s) |   C |    60 | 18.3 |        
   28135 | 2025-04-22 00:54:33 |   MASTER-Kislovodsk | (16h 14m 57.07s , +29d 48m 30.5s) |   C |    60 | 18.2 |        
   28392 | 2025-04-22 00:58:49 |   MASTER-Kislovodsk | (15h 49m 11.07s , +29d 48m 43.2s) |   C |    60 | 17.9 |        
   28561 | 2025-04-22 01:01:38 |   MASTER-Kislovodsk | (15h 49m 15.94s , +27d 53m 56.3s) |   C |    60 | 17.7 |        
   28643 | 2025-04-22 01:03:01 |   MASTER-Kislovodsk | (16h 14m 33.15s , +27d 55m 42.1s) |   C |    60 | 17.7 |        
   28807 | 2025-04-22 01:05:44 |   MASTER-Kislovodsk | (16h 15m 00.18s , +29d 49m 39.7s) |   C |    60 | 17.6 |        
   29055 | 2025-04-22 01:09:52 |   MASTER-Kislovodsk | (15h 49m 09.64s , +29d 48m 25.4s) |   C |    60 | 17.2 |        
   29221 | 2025-04-22 01:12:38 |   MASTER-Kislovodsk | (15h 49m 14.54s , +27d 53m 52.6s) |   C |    60 | 16.6 |        
   29304 | 2025-04-22 01:14:02 |   MASTER-Kislovodsk | (16h 14m 33.59s , +27d 55m 32.1s) |   C |    60 | 16.6 |        
   29497 | 2025-04-22 01:17:15 |   MASTER-Kislovodsk | (16h 14m 58.57s , +29d 49m 40.8s) |   C |    60 | 16.3 |        
   29750 | 2025-04-22 01:21:28 |   MASTER-Kislovodsk | (15h 49m 10.03s , +29d 48m 08.2s) |   C |    60 | 15.6 |        
   29915 | 2025-04-22 01:24:12 |   MASTER-Kislovodsk | (15h 49m 14.98s , +27d 53m 18.5s) |   C |    60 | 15.4 |        
   36466 | 2025-04-22 03:13:33 |         MASTER-OAFA | (15h 52m 57.87s , +28d 15m 06.4s) |   C |    40 | 17.5 |        
   36476 | 2025-04-22 03:13:34 |         MASTER-OAFA | (16h 03m 13.19s , +28d 37m 21.6s) |   C |    60 | 18.6 |        
   37768 | 2025-04-22 03:35:16 |         MASTER-OAFA | (15h 52m 57.51s , +28d 16m 59.0s) |   C |    40 | 17.4 |        
   37779 | 2025-04-22 03:35:16 |         MASTER-OAFA | (16h 03m 13.03s , +28d 39m 09.9s) |   C |    60 | 18.9 |        
   39034 | 2025-04-22 03:56:11 |         MASTER-OAFA | (16h 03m 16.74s , +28d 38m 39.7s) |   C |    60 | 19.5 |        
   43713 | 2025-04-22 05:14:20 |         MASTER-OAFA | (16h 13m 41.00s , +29d 15m 56.1s) |   C |    40 | 17.9 |        
   43723 | 2025-04-22 05:14:21 |         MASTER-OAFA | (16h 03m 16.69s , +28d 52m 38.6s) |   C |    60 | 19.6 |        
   43903 | 2025-04-22 05:17:31 |         MASTER-OAFA | (16h 13m 43.90s , +29d 17m 34.7s) |   C |    40 | 17.9 |        
   43913 | 2025-04-22 05:17:31 |         MASTER-OAFA | (16h 03m 19.27s , +28d 54m 15.7s) |   C |    60 | 19.8 |        
   87596 | 2025-04-22 17:25:33 |        MASTER-Tunka | (15h 58m 53.38s , +27d 55m 41.6s) |   C |    60 | 19.6 |        
   90564 | 2025-04-22 18:15:02 |        MASTER-Tunka | (16h 07m 17.53s , +27d 57m 35.3s) |   C |    60 | 19.8 |        
   90624 | 2025-04-22 18:15:02 |        MASTER-Tunka | (16h 07m 17.52s , +27d 57m 35.3s) |   C |   180 | 20.6 |  Coadd 
   90646 | 2025-04-22 18:16:23 |        MASTER-Tunka | (15h 58m 21.70s , +27d 57m 24.0s) |   C |    60 | 20.0 |        
   90706 | 2025-04-22 18:16:23 |        MASTER-Tunka | (15h 58m 21.70s , +27d 57m 24.0s) |   C |   180 | 20.7 |  Coadd 
   90728 | 2025-04-22 18:17:46 |        MASTER-Tunka | (15h 58m 28.20s , +29d 50m 42.3s) |   C |    60 | 20.2 |        
   90788 | 2025-04-22 18:17:46 |        MASTER-Tunka | (15h 58m 28.20s , +29d 50m 42.3s) |   C |   180 | 20.7 |  Coadd 
   90810 | 2025-04-22 18:19:07 |        MASTER-Tunka | (16h 07m 39.25s , +29d 51m 25.1s) |   C |    60 | 20.3 |        
   90870 | 2025-04-22 18:19:07 |        MASTER-Tunka | (16h 07m 39.25s , +29d 51m 25.1s) |   C |   180 | 20.8 |  Coadd 
   90892 | 2025-04-22 18:20:29 |        MASTER-Tunka | (15h 59m 14.77s , +26d 04m 13.2s) |   C |    60 | 20.1 |        
   90952 | 2025-04-22 18:20:29 |        MASTER-Tunka | (15h 59m 14.78s , +26d 04m 13.2s) |   C |   180 | 20.8 |  Coadd 
   90972 | 2025-04-22 18:21:50 |        MASTER-Tunka | (16h 08m 04.36s , +26d 02m 54.7s) |   C |    60 | 20.1 |        
   91032 | 2025-04-22 18:21:50 |        MASTER-Tunka | (16h 08m 04.36s , +26d 02m 54.7s) |   C |   180 | 20.7 |  Coadd 
   91055 | 2025-04-22 18:23:12 |        MASTER-Tunka | (15h 59m 41.84s , +31d 45m 32.1s) |   C |    60 | 20.3 |        
   91115 | 2025-04-22 18:23:12 |        MASTER-Tunka | (15h 59m 41.85s , +31d 45m 32.1s) |   C |   180 | 20.8 |  Coadd 
   91218 | 2025-04-22 18:25:55 |        MASTER-Tunka | (16h 07m 24.38s , +27d 56m 27.2s) |   C |    60 | 20.2 |        
   91300 | 2025-04-22 18:27:17 |        MASTER-Tunka | (15h 58m 18.05s , +27d 58m 38.2s) |   C |    60 | 20.2 |        
   91382 | 2025-04-22 18:28:39 |        MASTER-Tunka | (15h 58m 25.91s , +29d 50m 58.6s) |   C |    60 | 20.4 |        
   91464 | 2025-04-22 18:30:02 |        MASTER-Tunka | (16h 07m 42.46s , +29d 52m 04.5s) |   C |    60 | 20.4 |        
   91545 | 2025-04-22 18:31:23 |        MASTER-Tunka | (15h 59m 09.30s , +26d 04m 06.3s) |   C |    60 | 20.1 |        
   91626 | 2025-04-22 18:32:44 |        MASTER-Tunka | (16h 08m 03.68s , +26d 04m 27.0s) |   C |    60 | 20.1 |        
   91710 | 2025-04-22 18:34:07 |        MASTER-Tunka | (15h 59m 41.89s , +31d 46m 04.2s) |   C |    60 | 20.2 |        
   91881 | 2025-04-22 18:36:58 |        MASTER-Tunka | (16h 07m 24.24s , +27d 56m 50.4s) |   C |    60 | 20.2 |        
   91963 | 2025-04-22 18:38:20 |        MASTER-Tunka | (15h 58m 17.82s , +27d 59m 22.7s) |   C |    60 | 20.2 |        
   92046 | 2025-04-22 18:39:43 |        MASTER-Tunka | (15h 58m 25.57s , +29d 51m 49.4s) |   C |    60 | 20.4 |        
   92128 | 2025-04-22 18:41:06 |        MASTER-Tunka | (16h 07m 41.09s , +29d 52m 19.4s) |   C |    60 | 20.3 |        
   92210 | 2025-04-22 18:42:28 |        MASTER-Tunka | (15h 59m 09.75s , +26d 04m 38.4s) |   C |    60 | 20.1 |        
   92292 | 2025-04-22 18:43:49 |        MASTER-Tunka | (16h 08m 03.86s , +26d 04m 59.3s) |   C |    60 | 20.1 |        
   92373 | 2025-04-22 18:45:10 |        MASTER-Tunka | (15h 59m 42.15s , +31d 46m 35.8s) |   C |    60 | 20.3 |        
   92626 | 2025-04-22 18:49:24 |        MASTER-Tunka | (16h 07m 20.72s , +27d 59m 12.1s) |   C |    60 | 20.2 |        
   92686 | 2025-04-22 18:49:24 |        MASTER-Tunka | (16h 07m 20.72s , +27d 59m 12.1s) |   C |   180 | 20.8 |  Coadd 
   92708 | 2025-04-22 18:50:45 |        MASTER-Tunka | (15h 58m 17.36s , +27d 58m 10.9s) |   C |    60 | 20.2 |        
   92793 | 2025-04-22 18:52:10 |        MASTER-Tunka | (15h 58m 28.42s , +29d 53m 44.6s) |   C |    60 | 20.4 |        
   92853 | 2025-04-22 18:52:10 |        MASTER-Tunka | (15h 58m 28.42s , +29d 53m 44.6s) |   C |   180 | 20.9 |  Coadd 
   92876 | 2025-04-22 18:53:34 |        MASTER-Tunka | (16h 07m 36.07s , +29d 52m 24.4s) |   C |    60 | 20.4 |        
   92936 | 2025-04-22 18:53:34 |        MASTER-Tunka | (16h 07m 36.07s , +29d 52m 24.4s) |   C |   180 | 20.8 |  Coadd 
   92958 | 2025-04-22 18:54:55 |        MASTER-Tunka | (15h 59m 08.77s , +26d 06m 11.4s) |   C |    60 | 20.1 |        
   93018 | 2025-04-22 18:54:55 |        MASTER-Tunka | (15h 59m 08.77s , +26d 06m 11.4s) |   C |   180 | 20.8 |  Coadd 
   93039 | 2025-04-22 18:56:17 |        MASTER-Tunka | (16h 08m 08.65s , +26d 04m 32.9s) |   C |    60 | 20.1 |        
   93099 | 2025-04-22 18:56:17 |        MASTER-Tunka | (16h 08m 08.65s , +26d 04m 32.9s) |   C |   180 | 20.8 |  Coadd 
   93121 | 2025-04-22 18:57:39 |        MASTER-Tunka | (15h 59m 34.61s , +31d 46m 11.8s) |   C |    60 | 20.4 |        
   93181 | 2025-04-22 18:57:39 |        MASTER-Tunka | (15h 59m 34.61s , +31d 46m 11.8s) |   C |   180 | 20.8 |  Coadd 
   93378 | 2025-04-22 19:01:56 |        MASTER-Tunka | (16h 07m 20.14s , +27d 58m 19.6s) |   C |    60 | 20.2 |        
   93460 | 2025-04-22 19:03:18 |        MASTER-Tunka | (15h 58m 19.32s , +28d 00m 31.5s) |   C |    60 | 20.3 |        
   93543 | 2025-04-22 19:04:40 |        MASTER-Tunka | (15h 58m 22.18s , +29d 53m 38.2s) |   C |    60 | 20.4 |        
   93625 | 2025-04-22 19:06:02 |        MASTER-Tunka | (16h 07m 34.94s , +29d 53m 59.6s) |   C |    60 | 20.4 |        
   93707 | 2025-04-22 19:07:24 |        MASTER-Tunka | (15h 59m 14.60s , +26d 05m 44.7s) |   C |    60 | 20.2 |        
   93789 | 2025-04-22 19:08:47 |        MASTER-Tunka | (16h 08m 01.94s , +26d 04m 07.9s) |   C |    60 | 20.1 |        
   93870 | 2025-04-22 19:10:08 |        MASTER-Tunka | (15h 59m 39.11s , +31d 46m 50.1s) |   C |    60 | 20.4 |        
   94120 | 2025-04-22 19:14:17 |        MASTER-Tunka | (16h 07m 22.76s , +28d 00m 17.8s) |   C |    60 | 20.2 |        
   94205 | 2025-04-22 19:15:42 |        MASTER-Tunka | (15h 58m 20.01s , +29d 54m 06.8s) |   C |    60 | 20.5 |        
   94294 | 2025-04-22 19:17:12 |        MASTER-Tunka | (16h 07m 33.89s , +29d 54m 29.6s) |   C |    60 | 20.5 |        
   94375 | 2025-04-22 19:18:33 |        MASTER-Tunka | (15h 59m 14.06s , +26d 06m 13.3s) |   C |    60 | 20.2 |        
   94457 | 2025-04-22 19:19:55 |        MASTER-Tunka | (16h 08m 02.52s , +26d 04m 37.3s) |   C |    60 | 20.2 |        
   94539 | 2025-04-22 19:21:16 |        MASTER-Tunka | (15h 59m 39.03s , +31d 47m 38.7s) |   C |    60 | 20.4 |        
   94709 | 2025-04-22 19:24:07 |        MASTER-Tunka | (16h 15m 52.52s , +29d 53m 09.2s) |   C |    60 | 20.4 |        
   94769 | 2025-04-22 19:24:07 |        MASTER-Tunka | (16h 15m 52.52s , +29d 53m 09.2s) |   C |   180 | 20.7 |  Coadd 
   94872 | 2025-04-22 19:26:50 |        MASTER-Tunka | (16h 15m 29.94s , +27d 58m 24.4s) |   C |    60 | 20.3 |        
   94932 | 2025-04-22 19:26:50 |        MASTER-Tunka | (16h 15m 29.93s , +27d 58m 24.5s) |   C |   180 | 20.6 |  Coadd 
   95122 | 2025-04-22 19:30:59 |        MASTER-Tunka | (15h 50m 01.60s , +28d 02m 22.8s) |   C |    60 | 20.5 |        
   95182 | 2025-04-22 19:30:59 |        MASTER-Tunka | (15h 50m 01.59s , +28d 02m 22.8s) |   C |   180 | 21.0 |  Coadd 
   95287 | 2025-04-22 19:33:45 |        MASTER-Tunka | (15h 50m 06.55s , +29d 54m 46.5s) |   C |    60 | 20.5 |        
   95369 | 2025-04-22 19:35:07 |        MASTER-Tunka | (16h 15m 54.37s , +29d 54m 24.1s) |   C |    60 | 20.4 |        
   95532 | 2025-04-22 19:37:50 |        MASTER-Tunka | (16h 15m 31.08s , +28d 00m 19.5s) |   C |    60 | 20.3 |        
   95779 | 2025-04-22 19:41:57 |        MASTER-Tunka | (15h 50m 07.53s , +28d 01m 46.5s) |   C |    60 | 20.5 |        
   95944 | 2025-04-22 19:44:42 |        MASTER-Tunka | (15h 50m 05.57s , +29d 54m 55.0s) |   C |    60 | 20.5 |        
   96026 | 2025-04-22 19:46:04 |        MASTER-Tunka | (16h 15m 53.53s , +29d 54m 40.6s) |   C |    60 | 20.4 |        
   96194 | 2025-04-22 19:48:52 |        MASTER-Tunka | (16h 15m 30.30s , +28d 00m 54.8s) |   C |    60 | 20.3 |        
   96442 | 2025-04-22 19:52:59 |        MASTER-Tunka | (15h 50m 07.40s , +28d 02m 09.8s) |   C |    60 | 20.5 |        
   99661 | 2025-04-22 20:46:39 |        MASTER-Tunka | (16h 01m 05.22s , +31d 45m 56.4s) |   C |    60 | 16.4 |        
  110707 | 2025-04-22 23:50:44 |   MASTER-Kislovodsk | (15h 57m 31.21s , +27d 54m 10.0s) |   C |    60 | 18.4 |        
  110797 | 2025-04-22 23:52:14 |   MASTER-Kislovodsk | (16h 06m 27.63s , +27d 53m 12.3s) |   C |    60 | 17.9 |        
  115181 | 2025-04-23 01:05:19 |   MASTER-Kislovodsk | (15h 57m 24.55s , +27d 55m 27.2s) |   C |    60 | 15.9 |        
  115262 | 2025-04-23 01:06:39 |   MASTER-Kislovodsk | (16h 06m 27.14s , +27d 54m 22.0s) |   C |    60 | 15.8 |        
  115427 | 2025-04-23 01:09:25 |   MASTER-Kislovodsk | (15h 57m 25.15s , +29d 49m 22.4s) |   C |    60 | 16.4 |        
  115511 | 2025-04-23 01:10:49 |   MASTER-Kislovodsk | (16h 06m 44.64s , +29d 48m 31.8s) |   C |    60 | 15.7 |        
  115845 | 2025-04-23 01:16:22 |   MASTER-Kislovodsk | (15h 57m 25.70s , +27d 55m 20.5s) |   C |    60 | 15.7 |        
  115927 | 2025-04-23 01:17:45 |   MASTER-Kislovodsk | (16h 06m 24.85s , +27d 54m 47.4s) |   C |    60 | 15.4 |        
  116102 | 2025-04-23 01:20:40 |   MASTER-Kislovodsk | (15h 57m 29.97s , +29d 48m 09.8s) |   C |    60 | 15.4 |        
  116185 | 2025-04-23 01:22:03 |   MASTER-Kislovodsk | (16h 06m 39.36s , +29d 47m 19.9s) |   C |    60 | 15.2 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
The message may be cited.



#######################################################################################
#######################################################################################

  ID = 12447
TYPE = 35
DAYS = 1


MASTER-Kislovodsk robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the ICECUBE Alert 250421.71 (trigger No 2517159,16h 02m 52.80s , +28d 41m 24.0s, R=1.29) errorbox  21082 sec after notice time and 21147 sec after trigger time at 2025-04-21 22:58:35 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 15 deg. The sun  altitude  is -29.5 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) started inspect of the ICECUBE Alert 250421.71 errorbox  36380 sec after notice time and 36445 sec after trigger time at 2025-04-22 03:13:33 UT, with upper limit up to  19.8 mag. The observations began at zenith distance = 75 deg. The sun  altitude  is -63.7 deg. 

The galactic latitude b = 48 deg., longitude l = 47 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2849042

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

   21177 | 2025-04-21 22:58:35 |   MASTER-Kislovodsk | (15h 56m 30.81s , +28d 05m 01.6s) |   C |    60 | 18.3 |        
   21275 | 2025-04-21 23:00:13 |   MASTER-Kislovodsk | (16h 05m 26.91s , +28d 03m 52.9s) |   C |    60 | 18.5 |        
   21369 | 2025-04-21 23:01:47 |   MASTER-Kislovodsk | (15h 56m 32.92s , +29d 59m 34.7s) |   C |    60 | 18.4 |        
   21452 | 2025-04-21 23:03:10 |   MASTER-Kislovodsk | (16h 01m 36.09s , +28d 57m 32.8s) |   C |    60 | 18.5 |        
   21535 | 2025-04-21 23:04:32 |   MASTER-Kislovodsk | (16h 05m 49.55s , +29d 59m 23.6s) |   C |    60 | 18.3 |        
   21618 | 2025-04-21 23:05:55 |   MASTER-Kislovodsk | (16h 00m 56.86s , +28d 56m 50.7s) |   C |    60 | 18.5 |        
   21701 | 2025-04-21 23:07:19 |   MASTER-Kislovodsk | (15h 57m 26.75s , +26d 09m 30.2s) |   C |    60 | 18.5 |        
   21784 | 2025-04-21 23:08:42 |   MASTER-Kislovodsk | (16h 06m 15.13s , +26d 08m 27.7s) |   C |    60 | 18.3 |        
   21872 | 2025-04-21 23:10:10 |   MASTER-Kislovodsk | (15h 57m 30.28s , +27d 55m 28.7s) |   C |    60 | 18.4 |        
   21962 | 2025-04-21 23:11:40 |   MASTER-Kislovodsk | (16h 05m 31.54s , +28d 05m 04.3s) |   C |    60 | 18.5 |        
   22051 | 2025-04-21 23:13:08 |   MASTER-Kislovodsk | (15h 57m 31.03s , +29d 48m 52.4s) |   C |    60 | 18.4 |        
   22134 | 2025-04-21 23:14:31 |   MASTER-Kislovodsk | (16h 03m 33.66s , +28d 48m 15.9s) |   C |    60 | 18.2 |        
   22225 | 2025-04-21 23:16:02 |   MASTER-Kislovodsk | (16h 05m 42.85s , +29d 58m 37.8s) |   C |    60 | 18.5 |        
   22313 | 2025-04-21 23:17:31 |   MASTER-Kislovodsk | (15h 58m 22.90s , +26d 02m 50.4s) |   C |    60 | 18.5 |        
   22396 | 2025-04-21 23:18:53 |   MASTER-Kislovodsk | (16h 07m 20.08s , +26d 01m 46.7s) |   C |    60 | 18.4 |        
   22480 | 2025-04-21 23:20:17 |   MASTER-Kislovodsk | (15h 57m 23.52s , +27d 54m 39.6s) |   C |    60 | 18.3 |        
   22561 | 2025-04-21 23:21:39 |   MASTER-Kislovodsk | (16h 06m 31.84s , +27d 54m 51.5s) |   C |    60 | 18.4 |        
   22645 | 2025-04-21 23:23:02 |   MASTER-Kislovodsk | (16h 03m 47.65s , +28d 48m 03.3s) |   C |    60 | 18.4 |        
   22729 | 2025-04-21 23:24:27 |   MASTER-Kislovodsk | (15h 57m 30.40s , +29d 47m 32.2s) |   C |    60 | 18.5 |        
   22821 | 2025-04-21 23:25:59 |   MASTER-Kislovodsk | (16h 06m 46.00s , +29d 49m 01.6s) |   C |    60 | 18.3 |        
   22905 | 2025-04-21 23:27:23 |   MASTER-Kislovodsk | (16h 02m 59.34s , +28d 47m 13.7s) |   C |    60 | 18.4 |        
   22989 | 2025-04-21 23:28:46 |   MASTER-Kislovodsk | (15h 58m 20.68s , +26d 01m 13.8s) |   C |    60 | 18.4 |        
   23079 | 2025-04-21 23:30:17 |   MASTER-Kislovodsk | (16h 07m 19.99s , +26d 00m 16.2s) |   C |    60 | 18.4 |        
   23168 | 2025-04-21 23:31:46 |   MASTER-Kislovodsk | (15h 57m 22.17s , +27d 53m 08.2s) |   C |    60 | 18.2 |        
   23249 | 2025-04-21 23:33:07 |   MASTER-Kislovodsk | (16h 06m 30.59s , +27d 53m 33.5s) |   C |    60 | 18.4 |        
   23332 | 2025-04-21 23:34:30 |   MASTER-Kislovodsk | (15h 57m 29.74s , +29d 49m 01.8s) |   C |    60 | 18.3 |        
   23416 | 2025-04-21 23:35:53 |   MASTER-Kislovodsk | (16h 02m 59.31s , +28d 46m 20.5s) |   C |    60 | 18.4 |        
   23500 | 2025-04-21 23:37:17 |   MASTER-Kislovodsk | (16h 06m 46.26s , +29d 48m 42.9s) |   C |    60 | 18.5 |        
   23582 | 2025-04-21 23:38:40 |   MASTER-Kislovodsk | (15h 58m 38.21s , +31d 42m 59.5s) |   C |    60 | 18.3 |        
   23675 | 2025-04-21 23:40:13 |   MASTER-Kislovodsk | (16h 08m 06.89s , +31d 42m 00.6s) |   C |    60 | 18.3 |        
   23758 | 2025-04-21 23:41:36 |   MASTER-Kislovodsk | (15h 58m 20.02s , +25d 59m 10.7s) |   C |    60 | 18.3 |        
   23841 | 2025-04-21 23:42:59 |   MASTER-Kislovodsk | (16h 07m 19.25s , +25d 59m 29.4s) |   C |    60 | 18.3 |        
   23923 | 2025-04-21 23:44:21 |   MASTER-Kislovodsk | (15h 57m 24.42s , +27d 55m 01.1s) |   C |    60 | 18.4 |        
   24006 | 2025-04-21 23:45:44 |   MASTER-Kislovodsk | (16h 06m 29.06s , +27d 53m 16.7s) |   C |    60 | 18.4 |        
   24089 | 2025-04-21 23:47:06 |   MASTER-Kislovodsk | (15h 57m 31.86s , +29d 48m 38.3s) |   C |    60 | 18.4 |        
   24171 | 2025-04-21 23:48:29 |   MASTER-Kislovodsk | (16h 06m 39.44s , +29d 48m 02.0s) |   C |    60 | 18.5 |        
   24253 | 2025-04-21 23:49:51 |   MASTER-Kislovodsk | (15h 58m 34.34s , +31d 42m 56.4s) |   C |    60 | 18.3 |        
   24337 | 2025-04-21 23:51:15 |   MASTER-Kislovodsk | (16h 08m 07.18s , +31d 42m 00.6s) |   C |    60 | 18.2 |        
   24419 | 2025-04-21 23:52:37 |   MASTER-Kislovodsk | (15h 58m 19.75s , +25d 59m 08.0s) |   C |    60 | 18.5 |        
   24503 | 2025-04-21 23:54:00 |   MASTER-Kislovodsk | (16h 07m 17.89s , +25d 59m 14.5s) |   C |    60 | 18.3 |        
   24586 | 2025-04-21 23:55:24 |   MASTER-Kislovodsk | (15h 57m 24.98s , +27d 54m 39.2s) |   C |    60 | 18.4 |        
   24671 | 2025-04-21 23:56:48 |   MASTER-Kislovodsk | (16h 06m 27.62s , +27d 53m 20.7s) |   C |    60 | 18.4 |        
   24754 | 2025-04-21 23:58:11 |   MASTER-Kislovodsk | (15h 57m 31.26s , +29d 48m 28.6s) |   C |    60 | 18.5 |        
   24836 | 2025-04-21 23:59:34 |   MASTER-Kislovodsk | (16h 06m 39.93s , +29d 48m 02.0s) |   C |    60 | 18.1 |        
   24918 | 2025-04-22 00:00:56 |   MASTER-Kislovodsk | (15h 58m 34.74s , +31d 42m 54.9s) |   C |    60 | 18.3 |        
   25011 | 2025-04-22 00:02:29 |   MASTER-Kislovodsk | (16h 08m 04.50s , +31d 41m 58.9s) |   C |    60 | 18.3 |        
   25095 | 2025-04-22 00:03:52 |   MASTER-Kislovodsk | (15h 58m 19.27s , +25d 59m 06.6s) |   C |    60 | 18.5 |        
   25178 | 2025-04-22 00:05:15 |   MASTER-Kislovodsk | (16h 07m 18.60s , +25d 59m 18.3s) |   C |    60 | 18.4 |        
   25260 | 2025-04-22 00:06:37 |   MASTER-Kislovodsk | (16h 14m 35.48s , +27d 53m 24.2s) |   C |    60 | 18.4 |        
   25423 | 2025-04-22 00:09:20 |   MASTER-Kislovodsk | (16h 14m 55.83s , +29d 49m 02.3s) |   C |    60 | 18.5 |        
   25591 | 2025-04-22 00:12:08 |   MASTER-Kislovodsk | (15h 58m 33.07s , +31d 40m 48.1s) |   C |    60 | 18.4 |        
   25673 | 2025-04-22 00:13:31 |   MASTER-Kislovodsk | (16h 08m 05.94s , +31d 41m 04.6s) |   C |    60 | 18.4 |        
   25838 | 2025-04-22 00:16:16 |   MASTER-Kislovodsk | (15h 49m 17.53s , +27d 54m 38.2s) |   C |    60 | 18.3 |        
   25922 | 2025-04-22 00:17:39 |   MASTER-Kislovodsk | (16h 14m 33.10s , +27d 54m 04.7s) |   C |    60 | 18.4 |        
   26099 | 2025-04-22 00:20:37 |   MASTER-Kislovodsk | (16h 15m 02.20s , +29d 47m 57.2s) |   C |    60 | 18.0 |        
   26268 | 2025-04-22 00:23:25 |   MASTER-Kislovodsk | (15h 58m 40.47s , +31d 41m 07.7s) |   C |    60 | 18.4 |        
   26350 | 2025-04-22 00:24:47 |   MASTER-Kislovodsk | (16h 08m 00.84s , +31d 42m 25.0s) |   C |    60 | 18.4 |        
   26517 | 2025-04-22 00:27:34 |   MASTER-Kislovodsk | (15h 49m 16.89s , +27d 54m 28.4s) |   C |    60 | 18.3 |        
   26600 | 2025-04-22 00:28:57 |   MASTER-Kislovodsk | (16h 14m 31.40s , +27d 53m 55.4s) |   C |    60 | 18.5 |        
   27460 | 2025-04-22 00:43:17 |   MASTER-Kislovodsk | (16h 14m 57.55s , +29d 48m 45.1s) |   C |    60 | 18.3 |        
   27636 | 2025-04-22 00:46:14 |   MASTER-Kislovodsk | (15h 58m 31.30s , +31d 43m 13.1s) |   C |    60 | 18.3 |        
   27718 | 2025-04-22 00:47:35 |   MASTER-Kislovodsk | (16h 07m 56.12s , +31d 44m 20.1s) |   C |    60 | 18.2 |        
   27888 | 2025-04-22 00:50:25 |   MASTER-Kislovodsk | (15h 49m 09.64s , +27d 54m 01.0s) |   C |    60 | 18.2 |        
   27970 | 2025-04-22 00:51:47 |   MASTER-Kislovodsk | (16h 14m 37.86s , +27d 54m 48.5s) |   C |    60 | 18.3 |        
   28135 | 2025-04-22 00:54:33 |   MASTER-Kislovodsk | (16h 14m 57.07s , +29d 48m 30.5s) |   C |    60 | 18.2 |        
   28392 | 2025-04-22 00:58:49 |   MASTER-Kislovodsk | (15h 49m 11.07s , +29d 48m 43.2s) |   C |    60 | 17.9 |        
   28561 | 2025-04-22 01:01:38 |   MASTER-Kislovodsk | (15h 49m 15.94s , +27d 53m 56.3s) |   C |    60 | 17.7 |        
   28643 | 2025-04-22 01:03:01 |   MASTER-Kislovodsk | (16h 14m 33.15s , +27d 55m 42.1s) |   C |    60 | 17.7 |        
   28807 | 2025-04-22 01:05:44 |   MASTER-Kislovodsk | (16h 15m 00.18s , +29d 49m 39.7s) |   C |    60 | 17.6 |        
   29055 | 2025-04-22 01:09:52 |   MASTER-Kislovodsk | (15h 49m 09.64s , +29d 48m 25.4s) |   C |    60 | 17.2 |        
   29221 | 2025-04-22 01:12:38 |   MASTER-Kislovodsk | (15h 49m 14.54s , +27d 53m 52.6s) |   C |    60 | 16.6 |        
   29304 | 2025-04-22 01:14:02 |   MASTER-Kislovodsk | (16h 14m 33.59s , +27d 55m 32.1s) |   C |    60 | 16.6 |        
   29497 | 2025-04-22 01:17:15 |   MASTER-Kislovodsk | (16h 14m 58.57s , +29d 49m 40.8s) |   C |    60 | 16.3 |        
   29750 | 2025-04-22 01:21:28 |   MASTER-Kislovodsk | (15h 49m 10.03s , +29d 48m 08.2s) |   C |    60 | 15.6 |        
   29915 | 2025-04-22 01:24:12 |   MASTER-Kislovodsk | (15h 49m 14.98s , +27d 53m 18.5s) |   C |    60 | 15.4 |        
   36466 | 2025-04-22 03:13:33 |         MASTER-OAFA | (15h 52m 57.87s , +28d 15m 06.4s) |   C |    40 | 17.5 |        
   36476 | 2025-04-22 03:13:34 |         MASTER-OAFA | (16h 03m 13.19s , +28d 37m 21.6s) |   C |    60 | 18.6 |        
   37768 | 2025-04-22 03:35:16 |         MASTER-OAFA | (15h 52m 57.51s , +28d 16m 59.0s) |   C |    40 | 17.4 |        
   37779 | 2025-04-22 03:35:16 |         MASTER-OAFA | (16h 03m 13.03s , +28d 39m 09.9s) |   C |    60 | 18.9 |        
   39034 | 2025-04-22 03:56:11 |         MASTER-OAFA | (16h 03m 16.74s , +28d 38m 39.7s) |   C |    60 | 19.5 |        
   43713 | 2025-04-22 05:14:20 |         MASTER-OAFA | (16h 13m 41.00s , +29d 15m 56.1s) |   C |    40 | 17.9 |        
   43723 | 2025-04-22 05:14:21 |         MASTER-OAFA | (16h 03m 16.69s , +28d 52m 38.6s) |   C |    60 | 19.6 |        
   43903 | 2025-04-22 05:17:31 |         MASTER-OAFA | (16h 13m 43.90s , +29d 17m 34.7s) |   C |    40 | 17.9 |        
   43913 | 2025-04-22 05:17:31 |         MASTER-OAFA | (16h 03m 19.27s , +28d 54m 15.7s) |   C |    60 | 19.8 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
The message may be cited.



#######################################################################################
#######################################################################################

  ID = 12438
TYPE = 35
DAYS = 0


MASTER-Kislovodsk robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the ICECUBE Alert 250421.71 (trigger No 2517159,16h 02m 52.80s , +28d 41m 24.0s, R=1.29) errorbox  21082 sec after notice time and 21147 sec after trigger time at 2025-04-21 22:58:35 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 15 deg. The sun  altitude  is -29.5 deg. 

The galactic latitude b = 48 deg., longitude l = 47 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2849038

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

   21177 | 2025-04-21 22:58:35 |   MASTER-Kislovodsk | (15h 56m 30.81s , +28d 05m 01.6s) |   C |    60 | 18.3 |        
   21275 | 2025-04-21 23:00:13 |   MASTER-Kislovodsk | (16h 05m 26.91s , +28d 03m 52.9s) |   C |    60 | 18.5 |        
   21369 | 2025-04-21 23:01:47 |   MASTER-Kislovodsk | (15h 56m 32.92s , +29d 59m 34.7s) |   C |    60 | 18.4 |        
   21452 | 2025-04-21 23:03:10 |   MASTER-Kislovodsk | (16h 01m 36.09s , +28d 57m 32.8s) |   C |    60 | 18.5 |        
   21535 | 2025-04-21 23:04:32 |   MASTER-Kislovodsk | (16h 05m 49.55s , +29d 59m 23.6s) |   C |    60 | 18.3 |        
   21618 | 2025-04-21 23:05:55 |   MASTER-Kislovodsk | (16h 00m 56.86s , +28d 56m 50.7s) |   C |    60 | 18.5 |        
   21701 | 2025-04-21 23:07:19 |   MASTER-Kislovodsk | (15h 57m 26.75s , +26d 09m 30.2s) |   C |    60 | 18.5 |        
   21784 | 2025-04-21 23:08:42 |   MASTER-Kislovodsk | (16h 06m 15.13s , +26d 08m 27.7s) |   C |    60 | 18.3 |        
   21872 | 2025-04-21 23:10:10 |   MASTER-Kislovodsk | (15h 57m 30.28s , +27d 55m 28.7s) |   C |    60 | 18.4 |        
   21962 | 2025-04-21 23:11:40 |   MASTER-Kislovodsk | (16h 05m 31.54s , +28d 05m 04.3s) |   C |    60 | 18.5 |        
   22051 | 2025-04-21 23:13:08 |   MASTER-Kislovodsk | (15h 57m 31.03s , +29d 48m 52.4s) |   C |    60 | 18.4 |        
   22134 | 2025-04-21 23:14:31 |   MASTER-Kislovodsk | (16h 03m 33.66s , +28d 48m 15.9s) |   C |    60 | 18.2 |        
   22225 | 2025-04-21 23:16:02 |   MASTER-Kislovodsk | (16h 05m 42.85s , +29d 58m 37.8s) |   C |    60 | 18.5 |        
   22313 | 2025-04-21 23:17:31 |   MASTER-Kislovodsk | (15h 58m 22.90s , +26d 02m 50.4s) |   C |    60 | 18.5 |        
   22396 | 2025-04-21 23:18:53 |   MASTER-Kislovodsk | (16h 07m 20.08s , +26d 01m 46.7s) |   C |    60 | 18.4 |        
   22480 | 2025-04-21 23:20:17 |   MASTER-Kislovodsk | (15h 57m 23.52s , +27d 54m 39.6s) |   C |    60 | 18.3 |        
   22561 | 2025-04-21 23:21:39 |   MASTER-Kislovodsk | (16h 06m 31.84s , +27d 54m 51.5s) |   C |    60 | 18.4 |        
   22645 | 2025-04-21 23:23:02 |   MASTER-Kislovodsk | (16h 03m 47.65s , +28d 48m 03.3s) |   C |    60 | 18.4 |        
   22729 | 2025-04-21 23:24:27 |   MASTER-Kislovodsk | (15h 57m 30.40s , +29d 47m 32.2s) |   C |    60 | 18.5 |        
   22821 | 2025-04-21 23:25:59 |   MASTER-Kislovodsk | (16h 06m 46.00s , +29d 49m 01.6s) |   C |    60 | 18.3 |        
   22905 | 2025-04-21 23:27:23 |   MASTER-Kislovodsk | (16h 02m 59.34s , +28d 47m 13.7s) |   C |    60 | 18.4 |        
   22989 | 2025-04-21 23:28:46 |   MASTER-Kislovodsk | (15h 58m 20.68s , +26d 01m 13.8s) |   C |    60 | 18.4 |        
   23079 | 2025-04-21 23:30:17 |   MASTER-Kislovodsk | (16h 07m 19.99s , +26d 00m 16.2s) |   C |    60 | 18.4 |        
   23168 | 2025-04-21 23:31:46 |   MASTER-Kislovodsk | (15h 57m 22.17s , +27d 53m 08.2s) |   C |    60 | 18.2 |        
   23249 | 2025-04-21 23:33:07 |   MASTER-Kislovodsk | (16h 06m 30.59s , +27d 53m 33.5s) |   C |    60 | 18.4 |        
   23332 | 2025-04-21 23:34:30 |   MASTER-Kislovodsk | (15h 57m 29.74s , +29d 49m 01.8s) |   C |    60 | 18.3 |        
   23416 | 2025-04-21 23:35:53 |   MASTER-Kislovodsk | (16h 02m 59.31s , +28d 46m 20.5s) |   C |    60 | 18.4 |        
   23500 | 2025-04-21 23:37:17 |   MASTER-Kislovodsk | (16h 06m 46.26s , +29d 48m 42.9s) |   C |    60 | 18.5 |        
   23582 | 2025-04-21 23:38:40 |   MASTER-Kislovodsk | (15h 58m 38.21s , +31d 42m 59.5s) |   C |    60 | 18.3 |        
   23675 | 2025-04-21 23:40:13 |   MASTER-Kislovodsk | (16h 08m 06.89s , +31d 42m 00.6s) |   C |    60 | 18.3 |        
   23758 | 2025-04-21 23:41:36 |   MASTER-Kislovodsk | (15h 58m 20.02s , +25d 59m 10.7s) |   C |    60 | 18.3 |        
   23841 | 2025-04-21 23:42:59 |   MASTER-Kislovodsk | (16h 07m 19.25s , +25d 59m 29.4s) |   C |    60 | 18.3 |        
   23923 | 2025-04-21 23:44:21 |   MASTER-Kislovodsk | (15h 57m 24.42s , +27d 55m 01.1s) |   C |    60 | 18.4 |        
   24006 | 2025-04-21 23:45:44 |   MASTER-Kislovodsk | (16h 06m 29.06s , +27d 53m 16.7s) |   C |    60 | 18.4 |        
   24089 | 2025-04-21 23:47:06 |   MASTER-Kislovodsk | (15h 57m 31.86s , +29d 48m 38.3s) |   C |    60 | 18.4 |        
   24171 | 2025-04-21 23:48:29 |   MASTER-Kislovodsk | (16h 06m 39.44s , +29d 48m 02.0s) |   C |    60 | 18.5 |        
   24253 | 2025-04-21 23:49:51 |   MASTER-Kislovodsk | (15h 58m 34.34s , +31d 42m 56.4s) |   C |    60 | 18.3 |        
   24337 | 2025-04-21 23:51:15 |   MASTER-Kislovodsk | (16h 08m 07.18s , +31d 42m 00.6s) |   C |    60 | 18.2 |        
   24419 | 2025-04-21 23:52:37 |   MASTER-Kislovodsk | (15h 58m 19.75s , +25d 59m 08.0s) |   C |    60 | 18.5 |        
   24503 | 2025-04-21 23:54:00 |   MASTER-Kislovodsk | (16h 07m 17.89s , +25d 59m 14.5s) |   C |    60 | 18.3 |        
   24586 | 2025-04-21 23:55:24 |   MASTER-Kislovodsk | (15h 57m 24.98s , +27d 54m 39.2s) |   C |    60 | 18.4 |        
   24671 | 2025-04-21 23:56:48 |   MASTER-Kislovodsk | (16h 06m 27.62s , +27d 53m 20.7s) |   C |    60 | 18.4 |        
   24754 | 2025-04-21 23:58:11 |   MASTER-Kislovodsk | (15h 57m 31.26s , +29d 48m 28.6s) |   C |    60 | 18.5 |        
   24836 | 2025-04-21 23:59:34 |   MASTER-Kislovodsk | (16h 06m 39.93s , +29d 48m 02.0s) |   C |    60 | 18.1 |        
   24918 | 2025-04-22 00:00:56 |   MASTER-Kislovodsk | (15h 58m 34.74s , +31d 42m 54.9s) |   C |    60 | 18.3 |        
   25011 | 2025-04-22 00:02:29 |   MASTER-Kislovodsk | (16h 08m 04.50s , +31d 41m 58.9s) |   C |    60 | 18.3 |        
   25095 | 2025-04-22 00:03:52 |   MASTER-Kislovodsk | (15h 58m 19.27s , +25d 59m 06.6s) |   C |    60 | 18.5 |        
   25178 | 2025-04-22 00:05:15 |   MASTER-Kislovodsk | (16h 07m 18.60s , +25d 59m 18.3s) |   C |    60 | 18.4 |        
   25260 | 2025-04-22 00:06:37 |   MASTER-Kislovodsk | (16h 14m 35.48s , +27d 53m 24.2s) |   C |    60 | 18.4 |        
   25423 | 2025-04-22 00:09:20 |   MASTER-Kislovodsk | (16h 14m 55.83s , +29d 49m 02.3s) |   C |    60 | 18.5 |        
   25591 | 2025-04-22 00:12:08 |   MASTER-Kislovodsk | (15h 58m 33.07s , +31d 40m 48.1s) |   C |    60 | 18.4 |        
   25673 | 2025-04-22 00:13:31 |   MASTER-Kislovodsk | (16h 08m 05.94s , +31d 41m 04.6s) |   C |    60 | 18.4 |        
   25838 | 2025-04-22 00:16:16 |   MASTER-Kislovodsk | (15h 49m 17.53s , +27d 54m 38.2s) |   C |    60 | 18.3 |        
   25922 | 2025-04-22 00:17:39 |   MASTER-Kislovodsk | (16h 14m 33.10s , +27d 54m 04.7s) |   C |    60 | 18.4 |        
   26099 | 2025-04-22 00:20:37 |   MASTER-Kislovodsk | (16h 15m 02.20s , +29d 47m 57.2s) |   C |    60 | 18.0 |        
   26268 | 2025-04-22 00:23:25 |   MASTER-Kislovodsk | (15h 58m 40.47s , +31d 41m 07.7s) |   C |    60 | 18.4 |        
   26350 | 2025-04-22 00:24:47 |   MASTER-Kislovodsk | (16h 08m 00.84s , +31d 42m 25.0s) |   C |    60 | 18.4 |        
   26517 | 2025-04-22 00:27:34 |   MASTER-Kislovodsk | (15h 49m 16.89s , +27d 54m 28.4s) |   C |    60 | 18.3 |        
   26600 | 2025-04-22 00:28:57 |   MASTER-Kislovodsk | (16h 14m 31.40s , +27d 53m 55.4s) |   C |    60 | 18.5 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
The message may be cited.



#######################################################################################
#######################################################################################

  ID = 12437
TYPE = 35
DAYS = 0


MASTER-Kislovodsk robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the ICECUBE Alert 250421.71 (trigger No 2517159,16h 02m 52.80s , +28d 41m 24.0s, R=1.29) errorbox  21082 sec after notice time and 21147 sec after trigger time at 2025-04-21 22:58:35 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 15 deg. The sun  altitude  is -29.5 deg. 

The galactic latitude b = 48 deg., longitude l = 47 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2849038

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

   21177 | 2025-04-21 22:58:35 |   MASTER-Kislovodsk | (15h 56m 30.81s , +28d 05m 01.6s) |   C |    60 | 18.3 |        
   21275 | 2025-04-21 23:00:13 |   MASTER-Kislovodsk | (16h 05m 26.91s , +28d 03m 52.9s) |   C |    60 | 18.5 |        
   21369 | 2025-04-21 23:01:47 |   MASTER-Kislovodsk | (15h 56m 32.92s , +29d 59m 34.7s) |   C |    60 | 18.4 |        
   21452 | 2025-04-21 23:03:10 |   MASTER-Kislovodsk | (16h 01m 36.09s , +28d 57m 32.8s) |   C |    60 | 18.5 |        
   21535 | 2025-04-21 23:04:32 |   MASTER-Kislovodsk | (16h 05m 49.55s , +29d 59m 23.6s) |   C |    60 | 18.3 |        
   21618 | 2025-04-21 23:05:55 |   MASTER-Kislovodsk | (16h 00m 56.86s , +28d 56m 50.7s) |   C |    60 | 18.5 |        
   21701 | 2025-04-21 23:07:19 |   MASTER-Kislovodsk | (15h 57m 26.75s , +26d 09m 30.2s) |   C |    60 | 18.5 |        
   21784 | 2025-04-21 23:08:42 |   MASTER-Kislovodsk | (16h 06m 15.13s , +26d 08m 27.7s) |   C |    60 | 18.3 |        
   21872 | 2025-04-21 23:10:10 |   MASTER-Kislovodsk | (15h 57m 30.28s , +27d 55m 28.7s) |   C |    60 | 18.4 |        
   21962 | 2025-04-21 23:11:40 |   MASTER-Kislovodsk | (16h 05m 31.54s , +28d 05m 04.3s) |   C |    60 | 18.5 |        
   22051 | 2025-04-21 23:13:08 |   MASTER-Kislovodsk | (15h 57m 31.03s , +29d 48m 52.4s) |   C |    60 | 18.4 |        
   22134 | 2025-04-21 23:14:31 |   MASTER-Kislovodsk | (16h 03m 33.66s , +28d 48m 15.9s) |   C |    60 | 18.2 |        
   22225 | 2025-04-21 23:16:02 |   MASTER-Kislovodsk | (16h 05m 42.85s , +29d 58m 37.8s) |   C |    60 | 18.5 |        
   22313 | 2025-04-21 23:17:31 |   MASTER-Kislovodsk | (15h 58m 22.90s , +26d 02m 50.4s) |   C |    60 | 18.5 |        
   22396 | 2025-04-21 23:18:53 |   MASTER-Kislovodsk | (16h 07m 20.08s , +26d 01m 46.7s) |   C |    60 | 18.4 |        
   22480 | 2025-04-21 23:20:17 |   MASTER-Kislovodsk | (15h 57m 23.52s , +27d 54m 39.6s) |   C |    60 | 18.3 |        
   22561 | 2025-04-21 23:21:39 |   MASTER-Kislovodsk | (16h 06m 31.84s , +27d 54m 51.5s) |   C |    60 | 18.4 |        
   22645 | 2025-04-21 23:23:02 |   MASTER-Kislovodsk | (16h 03m 47.65s , +28d 48m 03.3s) |   C |    60 | 18.4 |        
   22729 | 2025-04-21 23:24:27 |   MASTER-Kislovodsk | (15h 57m 30.40s , +29d 47m 32.2s) |   C |    60 | 18.5 |        
   22821 | 2025-04-21 23:25:59 |   MASTER-Kislovodsk | (16h 06m 46.00s , +29d 49m 01.6s) |   C |    60 | 18.3 |        
   22905 | 2025-04-21 23:27:23 |   MASTER-Kislovodsk | (16h 02m 59.34s , +28d 47m 13.7s) |   C |    60 | 18.4 |        
   22989 | 2025-04-21 23:28:46 |   MASTER-Kislovodsk | (15h 58m 20.68s , +26d 01m 13.8s) |   C |    60 | 18.4 |        
   23079 | 2025-04-21 23:30:17 |   MASTER-Kislovodsk | (16h 07m 19.99s , +26d 00m 16.2s) |   C |    60 | 18.4 |        
   23168 | 2025-04-21 23:31:46 |   MASTER-Kislovodsk | (15h 57m 22.17s , +27d 53m 08.2s) |   C |    60 | 18.2 |        
   23249 | 2025-04-21 23:33:07 |   MASTER-Kislovodsk | (16h 06m 30.59s , +27d 53m 33.5s) |   C |    60 | 18.4 |        
   23332 | 2025-04-21 23:34:30 |   MASTER-Kislovodsk | (15h 57m 29.74s , +29d 49m 01.8s) |   C |    60 | 18.3 |        
   23416 | 2025-04-21 23:35:53 |   MASTER-Kislovodsk | (16h 02m 59.31s , +28d 46m 20.5s) |   C |    60 | 18.4 |        
   23500 | 2025-04-21 23:37:17 |   MASTER-Kislovodsk | (16h 06m 46.26s , +29d 48m 42.9s) |   C |    60 | 18.5 |        
   23582 | 2025-04-21 23:38:40 |   MASTER-Kislovodsk | (15h 58m 38.21s , +31d 42m 59.5s) |   C |    60 | 18.3 |        
   23675 | 2025-04-21 23:40:13 |   MASTER-Kislovodsk | (16h 08m 06.89s , +31d 42m 00.6s) |   C |    60 | 18.3 |        
   23758 | 2025-04-21 23:41:36 |   MASTER-Kislovodsk | (15h 58m 20.02s , +25d 59m 10.7s) |   C |    60 | 18.3 |        
   23841 | 2025-04-21 23:42:59 |   MASTER-Kislovodsk | (16h 07m 19.25s , +25d 59m 29.4s) |   C |    60 | 18.3 |        
   23923 | 2025-04-21 23:44:21 |   MASTER-Kislovodsk | (15h 57m 24.42s , +27d 55m 01.1s) |   C |    60 | 18.4 |        
   24006 | 2025-04-21 23:45:44 |   MASTER-Kislovodsk | (16h 06m 29.06s , +27d 53m 16.7s) |   C |    60 | 18.4 |        
   24089 | 2025-04-21 23:47:06 |   MASTER-Kislovodsk | (15h 57m 31.86s , +29d 48m 38.3s) |   C |    60 | 18.4 |        
   24171 | 2025-04-21 23:48:29 |   MASTER-Kislovodsk | (16h 06m 39.44s , +29d 48m 02.0s) |   C |    60 | 18.5 |        
   24253 | 2025-04-21 23:49:51 |   MASTER-Kislovodsk | (15h 58m 34.34s , +31d 42m 56.4s) |   C |    60 | 18.3 |        
   24337 | 2025-04-21 23:51:15 |   MASTER-Kislovodsk | (16h 08m 07.18s , +31d 42m 00.6s) |   C |    60 | 18.2 |        
   24419 | 2025-04-21 23:52:37 |   MASTER-Kislovodsk | (15h 58m 19.75s , +25d 59m 08.0s) |   C |    60 | 18.5 |        
   24503 | 2025-04-21 23:54:00 |   MASTER-Kislovodsk | (16h 07m 17.89s , +25d 59m 14.5s) |   C |    60 | 18.3 |        
   24586 | 2025-04-21 23:55:24 |   MASTER-Kislovodsk | (15h 57m 24.98s , +27d 54m 39.2s) |   C |    60 | 18.4 |        
   24671 | 2025-04-21 23:56:48 |   MASTER-Kislovodsk | (16h 06m 27.62s , +27d 53m 20.7s) |   C |    60 | 18.4 |        
   24754 | 2025-04-21 23:58:11 |   MASTER-Kislovodsk | (15h 57m 31.26s , +29d 48m 28.6s) |   C |    60 | 18.5 |        
   24836 | 2025-04-21 23:59:34 |   MASTER-Kislovodsk | (16h 06m 39.93s , +29d 48m 02.0s) |   C |    60 | 18.1 |        
   24918 | 2025-04-22 00:00:56 |   MASTER-Kislovodsk | (15h 58m 34.74s , +31d 42m 54.9s) |   C |    60 | 18.3 |        
   25011 | 2025-04-22 00:02:29 |   MASTER-Kislovodsk | (16h 08m 04.50s , +31d 41m 58.9s) |   C |    60 | 18.3 |        
   25095 | 2025-04-22 00:03:52 |   MASTER-Kislovodsk | (15h 58m 19.27s , +25d 59m 06.6s) |   C |    60 | 18.5 |        
   25178 | 2025-04-22 00:05:15 |   MASTER-Kislovodsk | (16h 07m 18.60s , +25d 59m 18.3s) |   C |    60 | 18.4 |        
   25260 | 2025-04-22 00:06:37 |   MASTER-Kislovodsk | (16h 14m 35.48s , +27d 53m 24.2s) |   C |    60 | 18.4 |        
   25423 | 2025-04-22 00:09:20 |   MASTER-Kislovodsk | (16h 14m 55.83s , +29d 49m 02.3s) |   C |    60 | 18.5 |        
   25591 | 2025-04-22 00:12:08 |   MASTER-Kislovodsk | (15h 58m 33.07s , +31d 40m 48.1s) |   C |    60 | 18.4 |        
   25673 | 2025-04-22 00:13:31 |   MASTER-Kislovodsk | (16h 08m 05.94s , +31d 41m 04.6s) |   C |    60 | 18.4 |        
   25838 | 2025-04-22 00:16:16 |   MASTER-Kislovodsk | (15h 49m 17.53s , +27d 54m 38.2s) |   C |    60 | 18.3 |        
   25922 | 2025-04-22 00:17:39 |   MASTER-Kislovodsk | (16h 14m 33.10s , +27d 54m 04.7s) |   C |    60 | 18.4 |        
   26099 | 2025-04-22 00:20:37 |   MASTER-Kislovodsk | (16h 15m 02.20s , +29d 47m 57.2s) |   C |    60 | 18.0 |        
   26268 | 2025-04-22 00:23:25 |   MASTER-Kislovodsk | (15h 58m 40.47s , +31d 41m 07.7s) |   C |    60 | 18.4 |        
   26350 | 2025-04-22 00:24:47 |   MASTER-Kislovodsk | (16h 08m 00.84s , +31d 42m 25.0s) |   C |    60 | 18.4 |        
   26517 | 2025-04-22 00:27:34 |   MASTER-Kislovodsk | (15h 49m 16.89s , +27d 54m 28.4s) |   C |    60 | 18.3 |        
   26600 | 2025-04-22 00:28:57 |   MASTER-Kislovodsk | (16h 14m 31.40s , +27d 53m 55.4s) |   C |    60 | 18.5 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
The message may be cited.



#######################################################################################
#######################################################################################

  ID = 12436
TYPE = 34
DAYS = 0


MASTER-Kislovodsk robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the ICECUBE Alert 250421.71 (trigger No 2517159,16h 02m 52.80s , +28d 41m 24.0s, R=1.29) errorbox  21082 sec after notice time and 21147 sec after trigger time at 2025-04-21 22:58:35 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 15 deg. The sun  altitude  is -29.5 deg. 

The galactic latitude b = 48 deg., longitude l = 47 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2849038

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

   21177 | 2025-04-21 22:58:35 |   MASTER-Kislovodsk | (15h 56m 30.81s , +28d 05m 01.6s) |   C |    60 | 18.3 |        
   21275 | 2025-04-21 23:00:13 |   MASTER-Kislovodsk | (16h 05m 26.91s , +28d 03m 52.9s) |   C |    60 | 18.5 |        
   21369 | 2025-04-21 23:01:47 |   MASTER-Kislovodsk | (15h 56m 32.92s , +29d 59m 34.7s) |   C |    60 | 18.4 |        
   21452 | 2025-04-21 23:03:10 |   MASTER-Kislovodsk | (16h 01m 36.09s , +28d 57m 32.8s) |   C |    60 | 18.5 |        
   21535 | 2025-04-21 23:04:32 |   MASTER-Kislovodsk | (16h 05m 49.55s , +29d 59m 23.6s) |   C |    60 | 18.3 |        
   21618 | 2025-04-21 23:05:55 |   MASTER-Kislovodsk | (16h 00m 56.86s , +28d 56m 50.7s) |   C |    60 | 18.5 |        
   21701 | 2025-04-21 23:07:19 |   MASTER-Kislovodsk | (15h 57m 26.75s , +26d 09m 30.2s) |   C |    60 | 18.5 |        
   21784 | 2025-04-21 23:08:42 |   MASTER-Kislovodsk | (16h 06m 15.13s , +26d 08m 27.7s) |   C |    60 | 18.3 |        
   21872 | 2025-04-21 23:10:10 |   MASTER-Kislovodsk | (15h 57m 30.28s , +27d 55m 28.7s) |   C |    60 | 18.4 |        
   21962 | 2025-04-21 23:11:40 |   MASTER-Kislovodsk | (16h 05m 31.54s , +28d 05m 04.3s) |   C |    60 | 18.5 |        
   22051 | 2025-04-21 23:13:08 |   MASTER-Kislovodsk | (15h 57m 31.03s , +29d 48m 52.4s) |   C |    60 | 18.4 |        
   22134 | 2025-04-21 23:14:31 |   MASTER-Kislovodsk | (16h 03m 33.66s , +28d 48m 15.9s) |   C |    60 | 18.2 |        
   22225 | 2025-04-21 23:16:02 |   MASTER-Kislovodsk | (16h 05m 42.85s , +29d 58m 37.8s) |   C |    60 | 18.5 |        
   22313 | 2025-04-21 23:17:31 |   MASTER-Kislovodsk | (15h 58m 22.90s , +26d 02m 50.4s) |   C |    60 | 18.5 |        
   22396 | 2025-04-21 23:18:53 |   MASTER-Kislovodsk | (16h 07m 20.08s , +26d 01m 46.7s) |   C |    60 | 18.4 |        
   22480 | 2025-04-21 23:20:17 |   MASTER-Kislovodsk | (15h 57m 23.52s , +27d 54m 39.6s) |   C |    60 | 18.3 |        
   22561 | 2025-04-21 23:21:39 |   MASTER-Kislovodsk | (16h 06m 31.84s , +27d 54m 51.5s) |   C |    60 | 18.4 |        
   22645 | 2025-04-21 23:23:02 |   MASTER-Kislovodsk | (16h 03m 47.65s , +28d 48m 03.3s) |   C |    60 | 18.4 |        
   22729 | 2025-04-21 23:24:27 |   MASTER-Kislovodsk | (15h 57m 30.40s , +29d 47m 32.2s) |   C |    60 | 18.5 |        
   22821 | 2025-04-21 23:25:59 |   MASTER-Kislovodsk | (16h 06m 46.00s , +29d 49m 01.6s) |   C |    60 | 18.3 |        
   22905 | 2025-04-21 23:27:23 |   MASTER-Kislovodsk | (16h 02m 59.34s , +28d 47m 13.7s) |   C |    60 | 18.4 |        
   22989 | 2025-04-21 23:28:46 |   MASTER-Kislovodsk | (15h 58m 20.68s , +26d 01m 13.8s) |   C |    60 | 18.4 |        
   23079 | 2025-04-21 23:30:17 |   MASTER-Kislovodsk | (16h 07m 19.99s , +26d 00m 16.2s) |   C |    60 | 18.4 |        
   23168 | 2025-04-21 23:31:46 |   MASTER-Kislovodsk | (15h 57m 22.17s , +27d 53m 08.2s) |   C |    60 | 18.2 |        
   23249 | 2025-04-21 23:33:07 |   MASTER-Kislovodsk | (16h 06m 30.59s , +27d 53m 33.5s) |   C |    60 | 18.4 |        
   23332 | 2025-04-21 23:34:30 |   MASTER-Kislovodsk | (15h 57m 29.74s , +29d 49m 01.8s) |   C |    60 | 18.3 |        
   23416 | 2025-04-21 23:35:53 |   MASTER-Kislovodsk | (16h 02m 59.31s , +28d 46m 20.5s) |   C |    60 | 18.4 |        
   23500 | 2025-04-21 23:37:17 |   MASTER-Kislovodsk | (16h 06m 46.26s , +29d 48m 42.9s) |   C |    60 | 18.5 |        
   23582 | 2025-04-21 23:38:40 |   MASTER-Kislovodsk | (15h 58m 38.21s , +31d 42m 59.5s) |   C |    60 | 18.3 |        
   23675 | 2025-04-21 23:40:13 |   MASTER-Kislovodsk | (16h 08m 06.89s , +31d 42m 00.6s) |   C |    60 | 18.3 |        
   23758 | 2025-04-21 23:41:36 |   MASTER-Kislovodsk | (15h 58m 20.02s , +25d 59m 10.7s) |   C |    60 | 18.3 |        
   23841 | 2025-04-21 23:42:59 |   MASTER-Kislovodsk | (16h 07m 19.25s , +25d 59m 29.4s) |   C |    60 | 18.3 |        
   23923 | 2025-04-21 23:44:21 |   MASTER-Kislovodsk | (15h 57m 24.42s , +27d 55m 01.1s) |   C |    60 | 18.4 |        
   24006 | 2025-04-21 23:45:44 |   MASTER-Kislovodsk | (16h 06m 29.06s , +27d 53m 16.7s) |   C |    60 | 18.4 |        
   24089 | 2025-04-21 23:47:06 |   MASTER-Kislovodsk | (15h 57m 31.86s , +29d 48m 38.3s) |   C |    60 | 18.4 |        
   24171 | 2025-04-21 23:48:29 |   MASTER-Kislovodsk | (16h 06m 39.44s , +29d 48m 02.0s) |   C |    60 | 18.5 |        
   24253 | 2025-04-21 23:49:51 |   MASTER-Kislovodsk | (15h 58m 34.34s , +31d 42m 56.4s) |   C |    60 | 18.3 |        
   24337 | 2025-04-21 23:51:15 |   MASTER-Kislovodsk | (16h 08m 07.18s , +31d 42m 00.6s) |   C |    60 | 18.2 |        
   24419 | 2025-04-21 23:52:37 |   MASTER-Kislovodsk | (15h 58m 19.75s , +25d 59m 08.0s) |   C |    60 | 18.5 |        
   24503 | 2025-04-21 23:54:00 |   MASTER-Kislovodsk | (16h 07m 17.89s , +25d 59m 14.5s) |   C |    60 | 18.3 |        
   24586 | 2025-04-21 23:55:24 |   MASTER-Kislovodsk | (15h 57m 24.98s , +27d 54m 39.2s) |   C |    60 | 18.4 |        
   24671 | 2025-04-21 23:56:48 |   MASTER-Kislovodsk | (16h 06m 27.62s , +27d 53m 20.7s) |   C |    60 | 18.4 |        
   24754 | 2025-04-21 23:58:11 |   MASTER-Kislovodsk | (15h 57m 31.26s , +29d 48m 28.6s) |   C |    60 | 18.5 |        
   24836 | 2025-04-21 23:59:34 |   MASTER-Kislovodsk | (16h 06m 39.93s , +29d 48m 02.0s) |   C |    60 | 18.1 |        
   24918 | 2025-04-22 00:00:56 |   MASTER-Kislovodsk | (15h 58m 34.74s , +31d 42m 54.9s) |   C |    60 | 18.3 |        
   25011 | 2025-04-22 00:02:29 |   MASTER-Kislovodsk | (16h 08m 04.50s , +31d 41m 58.9s) |   C |    60 | 18.3 |        
   25095 | 2025-04-22 00:03:52 |   MASTER-Kislovodsk | (15h 58m 19.27s , +25d 59m 06.6s) |   C |    60 | 18.5 |        
   25178 | 2025-04-22 00:05:15 |   MASTER-Kislovodsk | (16h 07m 18.60s , +25d 59m 18.3s) |   C |    60 | 18.4 |        
   25260 | 2025-04-22 00:06:37 |   MASTER-Kislovodsk | (16h 14m 35.48s , +27d 53m 24.2s) |   C |    60 | 18.4 |        
   25423 | 2025-04-22 00:09:20 |   MASTER-Kislovodsk | (16h 14m 55.83s , +29d 49m 02.3s) |   C |    60 | 18.5 |        
   25591 | 2025-04-22 00:12:08 |   MASTER-Kislovodsk | (15h 58m 33.07s , +31d 40m 48.1s) |   C |    60 | 18.4 |        
   25673 | 2025-04-22 00:13:31 |   MASTER-Kislovodsk | (16h 08m 05.94s , +31d 41m 04.6s) |   C |    60 | 18.4 |        
   25838 | 2025-04-22 00:16:16 |   MASTER-Kislovodsk | (15h 49m 17.53s , +27d 54m 38.2s) |   C |    60 | 18.3 |        
   25922 | 2025-04-22 00:17:39 |   MASTER-Kislovodsk | (16h 14m 33.10s , +27d 54m 04.7s) |   C |    60 | 18.4 |        
   26099 | 2025-04-22 00:20:37 |   MASTER-Kislovodsk | (16h 15m 02.20s , +29d 47m 57.2s) |   C |    60 | 18.0 |        
   26268 | 2025-04-22 00:23:25 |   MASTER-Kislovodsk | (15h 58m 40.47s , +31d 41m 07.7s) |   C |    60 | 18.4 |        
   26350 | 2025-04-22 00:24:47 |   MASTER-Kislovodsk | (16h 08m 00.84s , +31d 42m 25.0s) |   C |    60 | 18.4 |        
   26517 | 2025-04-22 00:27:34 |   MASTER-Kislovodsk | (15h 49m 16.89s , +27d 54m 28.4s) |   C |    60 | 18.3 |        
   26600 | 2025-04-22 00:28:57 |   MASTER-Kislovodsk | (16h 14m 31.40s , +27d 53m 55.4s) |   C |    60 | 18.5 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
The message may be cited.

MASTER, 2002-2025