MASTER Net MASTER Database: IceCube220421.22 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 IceCube220421.22
Trignum 43687362
Trigger time 2022-04-21 05:20:18.25
Notice time 2022-04-21 05:21:16.037096
Coord, eb (07h 37m 27.60s , +06d 02m 13.2s) , 0.74
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You are viewing outdated information, relevant error box is here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
1950199 2022-04-21 11:45:36.414504 07h 34m 33.60s +05d 49m 48.0s ICECUBE 2.4599 alert 43687362 10 174 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

2022-04-21 05:20:18 (JD 2459690.722431)

Siderial time 21.797595 h

Ra 07:37:27.60 Dec 06:02:13.20
(114.365000d, 6.037000d)

Rise 2022-04-21 11:29:32

Transit 2022-04-21 18:08:17

Set 2022-04-22 00:47:02

Amur

Object: Altitude: 24.95 Azimuth: 292.27

Sun: Altitude: 45.06 Azimuth: 40.86

Moon: Altitude: -55.06 Azimuth: 119.78

Tunka

Object: Altitude: 9.71 Azimuth: 272.58

Sun: Altitude: 49.83 Azimuth: 5.69

Moon: Altitude: -40.09 Azimuth: 96.91

Kislovodsk

Object: Altitude: -29.81 Azimuth: 224.25

Sun: Altitude: 31.88 Azimuth: 285.27

Moon: Altitude: -0.01 Azimuth: 51.55

Tavrida

Object: Altitude: -32.95 Azimuth: 215.06

Sun: Altitude: 25.72 Azimuth: 279.15

Moon: Altitude: 3.91 Azimuth: 45.45

SAAO

Object: Altitude: -59.82 Azimuth: 327.43

Sun: Altitude: 3.19 Azimuth: 253.92

Moon: Altitude: 55.34 Azimuth: 88.95

IAC

Object: Altitude: -49.88 Azimuth: 145.51

Sun: Altitude: -16.20 Azimuth: 246.59

Moon: Altitude: 34.96 Azimuth: 2.40

Argentina

Object: Altitude: -16.47 Azimuth: 86.89

Sun: Altitude: -67.38 Azimuth: 329.92

Moon: Altitude: 45.94 Azimuth: 276.86

Mexico

Object: Altitude: 24.82 Azimuth: 81.77

Sun: Altitude: -38.57 Azimuth: 141.65

Moon: Altitude: -14.72 Azimuth: 292.59

Ural

Object: Altitude: -13.05 Azimuth: 236.23

Sun: Altitude: 35.47 Azimuth: 309.73

Moon: Altitude: -16.14 Azimuth: 65.59

Vostryakovo

Object: Altitude: -22.85 Azimuth: 215.76

Sun: Altitude: 25.65 Azimuth: 287.34

Moon: Altitude: -5.15 Azimuth: 48.44

Gal. latitude: 13.514770 Gal. longitude: 213.157716

Dist. to Sun: 84.583636

Dist. to Moon: 149.378398

Moon coord.: (270.631767 d, -26.697821 d)

Sun coord.: (28.663399 d, 11.751405 d)

Lunar disk: 0.752242

Lunar phase: 59.702900

Lunar bright limb: 91.624517

No SN in this field

2022-04-21 05:21:16 (JD 2459690.723102)

Siderial time 21.813750 h

Ra 07:37:27.60 Dec 06:02:13.20
(114.365000d, 6.037000d)

Rise 2022-04-21 11:29:32

Transit 2022-04-21 18:08:17

Set 2022-04-22 00:47:02

Amur

Object: Altitude: 25.09 Azimuth: 292.49

Sun: Altitude: 44.96 Azimuth: 41.16

Moon: Altitude: -55.19 Azimuth: 120.07

Tunka

Object: Altitude: 9.86 Azimuth: 272.77

Sun: Altitude: 49.81 Azimuth: 6.06

Moon: Altitude: -40.24 Azimuth: 97.11

Kislovodsk

Object: Altitude: -29.69 Azimuth: 224.49

Sun: Altitude: 32.05 Azimuth: 285.46

Moon: Altitude: -0.14 Azimuth: 51.71

Tavrida

Object: Altitude: -32.85 Azimuth: 215.33

Sun: Altitude: 25.89 Azimuth: 279.33

Moon: Altitude: 3.79 Azimuth: 45.62

SAAO

Object: Altitude: -59.71 Azimuth: 327.00

Sun: Altitude: 3.39 Azimuth: 253.79

Moon: Altitude: 55.15 Azimuth: 88.83

IAC

Object: Altitude: -50.00 Azimuth: 145.83

Sun: Altitude: -16.00 Azimuth: 246.73

Moon: Altitude: 34.95 Azimuth: 2.65

Argentina

Object: Altitude: -16.67 Azimuth: 86.76

Sun: Altitude: -67.28 Azimuth: 329.36

Moon: Altitude: 46.13 Azimuth: 276.76

Mexico

Object: Altitude: 24.61 Azimuth: 81.91

Sun: Altitude: -38.70 Azimuth: 141.90

Moon: Altitude: -14.54 Azimuth: 292.69

Ural

Object: Altitude: -12.94 Azimuth: 236.45

Sun: Altitude: 35.57 Azimuth: 309.99

Moon: Altitude: -16.26 Azimuth: 65.76

Vostryakovo

Object: Altitude: -22.77 Azimuth: 216.01

Sun: Altitude: 25.79 Azimuth: 287.56

Moon: Altitude: -5.25 Azimuth: 48.62

Gal. latitude: 13.514770 Gal. longitude: 213.157716

Dist. to Sun: 84.583005

Dist. to Moon: 149.385596

Moon coord.: (270.642600 d, -26.698476 d)

Sun coord.: (28.664026 d, 11.751634 d)

Lunar disk: 0.752174

Lunar phase: 59.711925

Lunar bright limb: 91.619919

No SN in this field

2022-04-21 06:21:16 (JD 2459690.764769)

Siderial time 22.816488 h

Ra 07:37:27.60 Dec 06:02:13.20
(114.365000d, 6.037000d)

Rise 2022-04-21 11:29:32

Transit 2022-04-21 18:08:17

Set 2022-04-22 00:47:02

Amur

Object: Altitude: 33.43 Azimuth: 306.75

Sun: Altitude: 37.67 Azimuth: 58.20

Moon: Altitude: -62.22 Azimuth: 140.93

Tunka

Object: Altitude: 19.04 Azimuth: 284.99

Sun: Altitude: 47.11 Azimuth: 27.91

Moon: Altitude: -48.88 Azimuth: 110.47

Kislovodsk

Object: Altitude: -21.21 Azimuth: 238.16

Sun: Altitude: 42.09 Azimuth: 298.96

Moon: Altitude: -8.81 Azimuth: 61.20

Tavrida

Object: Altitude: -25.58 Azimuth: 230.33

Sun: Altitude: 36.16 Azimuth: 291.62

Moon: Altitude: -4.13 Azimuth: 55.71

SAAO

Object: Altitude: -50.86 Azimuth: 305.59

Sun: Altitude: 15.23 Azimuth: 244.98

Moon: Altitude: 43.07 Azimuth: 82.16

IAC

Object: Altitude: -55.14 Azimuth: 169.09

Sun: Altitude: -3.53 Azimuth: 254.62

Moon: Altitude: 32.65 Azimuth: 17.86

Argentina

Object: Altitude: -29.34 Azimuth: 78.08

Sun: Altitude: -58.37 Azimuth: 303.31

Moon: Altitude: 58.33 Azimuth: 270.18

Mexico

Object: Altitude: 11.77 Azimuth: 90.00

Sun: Altitude: -44.99 Azimuth: 159.78

Moon: Altitude: -3.49 Azimuth: 299.30

Ural

Object: Altitude: -5.66 Azimuth: 249.70

Sun: Altitude: 40.97 Azimuth: 327.43

Moon: Altitude: -23.68 Azimuth: 76.91

Vostryakovo

Object: Altitude: -16.91 Azimuth: 230.65

Sun: Altitude: 33.53 Azimuth: 301.95

Moon: Altitude: -11.89 Azimuth: 59.72

Gal. latitude: 13.514770 Gal. longitude: 213.157716

Dist. to Sun: 84.543805

Dist. to Moon: 149.829832

Moon coord.: (271.315062 d, -26.737503 d)

Sun coord.: (28.702941 d, 11.765822 d)

Lunar disk: 0.747941

Lunar phase: 60.272010

Lunar bright limb: 91.334079

No SN in this field

2025-05-09 06:19:40 (JD 2460804.763657)

Siderial time 23.990493 h

Ra 07:37:27.60 Dec 06:02:13.20
(114.365000d, 6.037000d)

Rise 2025-05-09 10:17:41

Transit 2025-05-09 16:56:26

Set 2025-05-09 23:35:11

Amur

Object: Altitude: 41.15 Azimuth: 326.58

Sun: Altitude: 42.11 Azimuth: 62.62

Moon: Altitude: -10.69 Azimuth: 265.92

Tunka

Object: Altitude: 29.05 Azimuth: 300.76

Sun: Altitude: 52.33 Azimuth: 30.96

Moon: Altitude: -25.12 Azimuth: 245.11

Kislovodsk

Object: Altitude: -9.69 Azimuth: 251.87

Sun: Altitude: 46.39 Azimuth: 293.98

Moon: Altitude: -51.64 Azimuth: 172.09

Tavrida

Object: Altitude: -15.00 Azimuth: 245.25

Sun: Altitude: 40.34 Azimuth: 286.90

Moon: Altitude: -49.18 Azimuth: 159.29

SAAO

Object: Altitude: -37.65 Azimuth: 289.38

Sun: Altitude: 11.88 Azimuth: 240.38

Moon: Altitude: -44.32 Azimuth: 38.58

IAC

Object: Altitude: -53.96 Azimuth: 199.45

Sun: Altitude: -0.55 Azimuth: 249.89

Moon: Altitude: -25.54 Azimuth: 97.69

Argentina

Object: Altitude: -43.54 Azimuth: 65.26

Sun: Altitude: -61.76 Azimuth: 294.40

Moon: Altitude: 25.64 Azimuth: 99.76

Mexico

Object: Altitude: -3.26 Azimuth: 99.05

Sun: Altitude: -39.71 Azimuth: 162.25

Moon: Altitude: 47.64 Azimuth: 33.87

Ural

Object: Altitude: 3.66 Azimuth: 264.55

Sun: Altitude: 46.35 Azimuth: 325.32

Moon: Altitude: -37.72 Azimuth: 195.28

Vostryakovo

Object: Altitude: -8.40 Azimuth: 246.36

Sun: Altitude: 38.45 Azimuth: 298.69

Moon: Altitude: -39.65 Azimuth: 167.50

Gal. latitude: 13.514770 Gal. longitude: 213.157716

Dist. to Sun: 67.510976

Dist. to Moon: 76.088386

Moon coord.: (189.688181 d, -5.631580 d)

Sun coord.: (46.076507 d, 17.348700 d)

Lunar disk: 0.897513

Lunar phase: 37.342244

Lunar bright limb: 291.353515

No SN in this field
Recent coverage and limits telegrams

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

  ID = 6115
TYPE = 35
DAYS = 3


MASTER-OAGH robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Mexico (OAGH National Institute for Astrophysics, Optics and Electronics) was pointed to the ICECUBE Alert 220421.22 (trigger No 43687362,07h 37m 27.72s , +06d 02m 14.6s, R=0.7379) errorbox  314 sec after notice time and 361 sec after trigger time at 2022-04-21 05:26:19 UT, with upper limit up to  18.6 mag. The observations began at zenith distance = 67 deg. The sun  altitude  is -39.6 deg. 

MASTER-SAAO robotic telescope  located in South Africa (South African Astronomical Observatory) was pointed to the ICECUBE Alert 220421.22 errorbox  42524 sec after notice time and 42572 sec after trigger time at 2022-04-21 17:09:50 UT, with upper limit up to  16.7 mag. Observations started at twilight.  The observations began at zenith distance = 41 deg. The sun  altitude  is -13.1 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) was pointed to the ICECUBE Alert 220421.22 errorbox  64214 sec after notice time and 64261 sec after trigger time at 2022-04-21 23:11:19 UT, with upper limit up to  18.2 mag. Observations started at twilight.  The observations began at zenith distance = 39 deg. The sun  altitude  is -14.2 deg. 

The galactic latitude b = 14 deg., longitude l = 213 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1949988

We obtain a following upper limits.  

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

     396 | 2022-04-21 05:26:19 |         MASTER-OAGH | (07h 37m 41.98s , +06d 02m 00.1s) |   C |    70 | 17.0 |        
     396 | 2022-04-21 05:26:19 |         MASTER-OAGH | (07h 37m 05.71s , +06d 30m 58.4s) |  P- |    70 | 16.8 |        
     653 | 2022-04-21 05:30:10 |         MASTER-OAGH | (07h 37m 42.24s , +06d 00m 03.1s) |   C |   120 | 17.8 |        
     653 | 2022-04-21 05:30:10 |         MASTER-OAGH | (07h 37m 05.77s , +06d 29m 03.1s) |  P- |   120 | 17.1 |        
     958 | 2022-04-21 05:34:51 |         MASTER-OAGH | (07h 37m 46.50s , +06d 01m 48.4s) |   C |   170 | 18.0 |        
     958 | 2022-04-21 05:34:51 |         MASTER-OAGH | (07h 37m 09.77s , +06d 30m 45.2s) |  P- |   170 | 17.3 |        
    1293 | 2022-04-21 05:40:21 |         MASTER-OAGH | (07h 37m 40.93s , +06d 00m 53.5s) |   C |   180 | 17.8 |        
    1293 | 2022-04-21 05:40:21 |         MASTER-OAGH | (07h 37m 03.87s , +06d 29m 50.0s) |  P- |   180 | 17.2 |        
    1636 | 2022-04-21 05:46:04 |         MASTER-OAGH | (07h 37m 41.28s , +06d 01m 52.1s) |   C |   180 | 18.0 |        
    1636 | 2022-04-21 05:46:04 |         MASTER-OAGH | (07h 37m 03.84s , +06d 30m 48.3s) |  P- |   180 | 17.4 |        
    1921 | 2022-04-21 05:51:49 |         MASTER-OAGH | (07h 35m 31.63s , +06d 51m 39.2s) |   C |    60 | 18.1 |        
    1921 | 2022-04-21 05:51:49 |         MASTER-OAGH | (07h 34m 53.56s , +07d 20m 35.4s) |   C |    60 | 18.4 |        
    2590 | 2022-04-21 06:02:57 |         MASTER-OAGH | (07h 43m 39.52s , +06d 52m 16.5s) |   C |    60 | 18.4 |        
    2590 | 2022-04-21 06:02:57 |         MASTER-OAGH | (07h 43m 00.51s , +07d 21m 02.3s) |   C |    60 | 18.6 |        
    2811 | 2022-04-21 06:06:39 |         MASTER-OAGH | (07h 34m 01.34s , +04d 58m 48.9s) |   C |    60 | 18.3 |        
    2811 | 2022-04-21 06:06:39 |         MASTER-OAGH | (07h 33m 20.95s , +05d 27m 32.5s) |   C |    60 | 18.4 |        
    3034 | 2022-04-21 06:10:22 |         MASTER-OAGH | (07h 42m 01.91s , +04d 59m 47.6s) |   C |    60 | 18.2 |        
    3034 | 2022-04-21 06:10:22 |         MASTER-OAGH | (07h 41m 21.75s , +05d 28m 32.4s) |   C |    60 | 18.4 |        
    3261 | 2022-04-21 06:14:09 |         MASTER-OAGH | (07h 35m 40.19s , +06d 52m 49.9s) |   C |    60 | 18.2 |        
    3261 | 2022-04-21 06:14:09 |         MASTER-OAGH | (07h 34m 59.58s , +07d 21m 30.1s) |   C |    60 | 18.3 |        
    3545 | 2022-04-21 06:18:53 |         MASTER-OAGH | (07h 43m 45.28s , +06d 52m 22.4s) |   C |    60 | 17.6 |        
    3545 | 2022-04-21 06:18:53 |         MASTER-OAGH | (07h 43m 04.92s , +07d 20m 59.5s) |   C |    60 | 18.1 |        
    3767 | 2022-04-21 06:22:35 |         MASTER-OAGH | (07h 33m 23.37s , +05d 28m 24.9s) |   C |    60 | 18.1 |        
    3767 | 2022-04-21 06:22:35 |         MASTER-OAGH | (07h 34m 05.09s , +04d 59m 54.8s) |   C |    60 | 18.1 |        
    3988 | 2022-04-21 06:26:16 |         MASTER-OAGH | (07h 41m 25.22s , +05d 26m 37.2s) |   C |    60 | 18.1 |        
    3988 | 2022-04-21 06:26:16 |         MASTER-OAGH | (07h 42m 06.61s , +04d 58m 06.0s) |   C |    60 | 18.0 |        
    4208 | 2022-04-21 06:29:56 |         MASTER-OAGH | (07h 35m 01.19s , +07d 21m 55.8s) |   C |    60 | 18.0 |        
    4208 | 2022-04-21 06:29:56 |         MASTER-OAGH | (07h 35m 43.04s , +06d 53m 25.2s) |   C |    60 | 17.7 |        
    4489 | 2022-04-21 06:33:37 |         MASTER-OAGH | (07h 37m 05.68s , +06d 29m 40.0s) |   C |   180 | 18.3 |        
    4489 | 2022-04-21 06:33:37 |         MASTER-OAGH | (07h 37m 47.78s , +06d 01m 14.8s) |   C |   180 | 17.7 |        
    4770 | 2022-04-21 06:39:18 |         MASTER-OAGH | (07h 42m 57.31s , +07d 22m 26.1s) |   C |    60 | 17.8 |        
    4770 | 2022-04-21 06:39:18 |         MASTER-OAGH | (07h 43m 39.22s , +06d 54m 01.6s) |   C |    60 | 17.4 |        
   42602 | 2022-04-21 17:09:50 |         MASTER-SAAO | (07h 35m 34.60s , +06d 52m 56.7s) |   C |    60 | 16.7 |        
   42752 | 2022-04-21 17:11:20 |         MASTER-SAAO | (07h 37m 38.90s , +06d 00m 17.1s) |   C |   180 | 15.8 |        
   42892 | 2022-04-21 17:14:40 |         MASTER-SAAO | (07h 43m 38.67s , +06d 52m 27.8s) |   C |    60 | 15.7 |        
   43500 | 2022-04-21 17:24:48 |         MASTER-SAAO | (07h 35m 35.59s , +06d 52m 33.3s) |   C |    60 | 12.8 |        
   43739 | 2022-04-21 17:27:47 |         MASTER-SAAO | (07h 37m 43.17s , +06d 02m 53.8s) |   C |   180 | 15.6 |        
   43975 | 2022-04-21 17:32:43 |         MASTER-SAAO | (07h 43m 35.72s , +06d 52m 45.3s) |   C |    60 | 16.3 |        
   44320 | 2022-04-21 17:38:27 |         MASTER-SAAO | (07h 42m 02.12s , +05d 00m 53.8s) |   C |    60 | 15.4 |        
   45011 | 2022-04-21 17:49:59 |         MASTER-SAAO | (07h 43m 36.76s , +06d 53m 11.2s) |   C |    60 | 16.5 |        
   45357 | 2022-04-21 17:55:45 |         MASTER-SAAO | (07h 42m 07.91s , +04d 59m 26.8s) |   C |    60 | 14.0 |        
   64352 | 2022-04-21 23:11:19 |         MASTER-OAFA | (07h 35m 49.23s , +05d 22m 59.2s) |   C |   180 | 17.3 |        
   64494 | 2022-04-21 23:14:42 |         MASTER-OAFA | (07h 33m 42.76s , +06d 16m 24.7s) |   C |    60 | 15.3 |        
   64573 | 2022-04-21 23:16:01 |         MASTER-OAFA | (07h 41m 46.22s , +06d 15m 25.9s) |   C |    60 | 17.2 |        
   64980 | 2022-04-21 23:22:48 |         MASTER-OAFA | (07h 32m 09.51s , +04d 21m 01.5s) |   C |    60 | 17.7 |        
   65062 | 2022-04-21 23:24:10 |         MASTER-OAFA | (07h 40m 14.44s , +04d 22m 56.1s) |   C |    60 | 17.7 |        
   65442 | 2022-04-21 23:29:29 |         MASTER-OAFA | (07h 35m 52.99s , +05d 24m 47.7s) |   C |   180 | 18.2 |        
   65634 | 2022-04-21 23:33:42 |         MASTER-OAFA | (07h 33m 45.70s , +06d 16m 46.0s) |   C |    60 | 15.4 |        
   65662 | 2022-04-21 23:34:10 |         MASTER-OAFA | (07h 41m 43.91s , +06d 16m 01.7s) |   C |    60 | 17.6 |        
   65904 | 2022-04-21 23:38:11 |         MASTER-OAFA | (07h 32m 09.46s , +04d 22m 28.3s) |   C |    60 | 17.8 |        
   65984 | 2022-04-21 23:39:31 |         MASTER-OAFA | (07h 40m 11.47s , +04d 21m 14.0s) |   C |    60 | 17.7 |        
   66446 | 2022-04-21 23:46:14 |         MASTER-OAFA | (07h 35m 55.52s , +05d 24m 46.7s) |   C |   180 | 18.2 |        
   66753 | 2022-04-21 23:52:21 |         MASTER-OAFA | (07h 33m 46.59s , +06d 15m 40.3s) |   C |    60 | 17.7 |        
   66837 | 2022-04-21 23:53:45 |         MASTER-OAFA | (07h 41m 42.95s , +06d 14m 55.9s) |   C |    60 | 17.6 |        
   66917 | 2022-04-21 23:55:05 |         MASTER-OAFA | (07h 32m 07.60s , +04d 21m 34.2s) |   C |    60 | 17.8 |        
   66999 | 2022-04-21 23:56:27 |         MASTER-OAFA | (07h 40m 08.77s , +04d 22m 50.7s) |   C |    60 | 17.6 |        
   88465 | 2022-04-22 05:54:13 |         MASTER-OAGH | (07h 35m 36.13s , +06d 53m 39.8s) |   C |    60 | 18.1 |        
   88465 | 2022-04-22 05:54:13 |         MASTER-OAGH | (07h 34m 56.72s , +07d 22m 00.6s) |   C |    60 | 18.0 |        
   88547 | 2022-04-22 05:55:34 |         MASTER-OAGH | (07h 43m 39.64s , +06d 52m 20.0s) |   C |    60 | 17.5 |        
   88547 | 2022-04-22 05:55:34 |         MASTER-OAGH | (07h 43m 00.68s , +07d 20m 41.2s) |   C |    60 | 17.8 |        
   89324 | 2022-04-22 06:08:32 |         MASTER-OAGH | (07h 35m 34.86s , +06d 51m 59.3s) |   C |    60 | 17.5 |        
   89324 | 2022-04-22 06:08:32 |         MASTER-OAGH | (07h 34m 54.39s , +07d 20m 20.8s) |   C |    60 | 17.6 |        
   89546 | 2022-04-22 06:12:14 |         MASTER-OAGH | (07h 34m 05.11s , +05d 00m 02.6s) |   C |    60 | 17.0 |        
   89546 | 2022-04-22 06:12:14 |         MASTER-OAGH | (07h 33m 23.89s , +05d 28m 06.6s) |   C |    60 | 17.3 |        
   89767 | 2022-04-22 06:15:55 |         MASTER-OAGH | (07h 42m 06.65s , +04d 58m 13.7s) |   C |    60 | 16.8 |        
   89767 | 2022-04-22 06:15:55 |         MASTER-OAGH | (07h 41m 25.83s , +05d 26m 18.5s) |   C |    60 | 17.2 |        
   89916 | 2022-04-22 06:18:23 |         MASTER-OAGH | (07h 43m 43.92s , +06d 53m 38.3s) |   C |    60 | 17.3 |        
   89916 | 2022-04-22 06:18:23 |         MASTER-OAGH | (07h 43m 03.24s , +07d 21m 42.3s) |   C |    60 | 17.5 |        
   90952 | 2022-04-22 06:35:40 |         MASTER-OAGH | (07h 43m 40.18s , +06d 53m 10.8s) |   C |    60 | 16.6 |        
   90952 | 2022-04-22 06:35:40 |         MASTER-OAGH | (07h 42m 58.23s , +07d 21m 13.6s) |   C |    60 | 17.0 |        
  151319 | 2022-04-22 23:20:46 |         MASTER-OAFA | (07h 35m 47.47s , +05d 22m 53.9s) |   C |   180 | 18.0 |        
  152109 | 2022-04-22 23:34:57 |         MASTER-OAFA | (07h 32m 03.88s , +04d 20m 52.0s) |   C |    60 | 17.5 |        
  152189 | 2022-04-22 23:36:17 |         MASTER-OAFA | (07h 40m 08.31s , +04d 22m 19.0s) |   C |    60 | 17.6 |        
  152268 | 2022-04-22 23:37:36 |         MASTER-OAFA | (07h 33m 33.50s , +06d 16m 34.7s) |   C |    60 | 17.4 |        
  152407 | 2022-04-22 23:38:55 |         MASTER-OAFA | (07h 35m 49.50s , +05d 23m 51.5s) |   C |   180 | 17.9 |        
  152550 | 2022-04-22 23:42:18 |         MASTER-OAFA | (07h 41m 37.43s , +06d 14m 49.7s) |   C |    60 | 17.4 |        
  153046 | 2022-04-22 23:50:34 |         MASTER-OAFA | (07h 32m 07.64s , +04d 20m 44.6s) |   C |    60 | 17.6 |        
  153126 | 2022-04-22 23:51:53 |         MASTER-OAFA | (07h 40m 05.78s , +04d 22m 37.3s) |   C |    60 | 17.6 |        
  153205 | 2022-04-22 23:53:13 |         MASTER-OAFA | (07h 33m 37.33s , +06d 14m 38.7s) |   C |    60 | 17.5 |        
  153285 | 2022-04-22 23:54:32 |         MASTER-OAFA | (07h 35m 38.50s , +08d 09m 36.9s) |   C |    60 | 17.5 |        
  153424 | 2022-04-22 23:55:52 |         MASTER-OAFA | (07h 35m 43.76s , +05d 24m 47.7s) |   C |   180 | 18.1 |        
  153614 | 2022-04-23 00:00:02 |         MASTER-OAFA | (07h 43m 50.45s , +08d 09m 51.4s) |   C |    60 | 17.0 |        
  153975 | 2022-04-23 00:06:03 |         MASTER-OAFA | (07h 32m 03.86s , +04d 20m 31.3s) |   C |    60 | 17.4 |        
  154055 | 2022-04-23 00:07:23 |         MASTER-OAFA | (07h 40m 09.30s , +04d 22m 12.9s) |   C |    60 | 17.3 |        
  154134 | 2022-04-23 00:08:42 |         MASTER-OAFA | (07h 33m 33.62s , +06d 15m 25.3s) |   C |    60 | 17.2 |        
  154214 | 2022-04-23 00:10:01 |         MASTER-OAFA | (07h 35m 37.68s , +08d 10m 30.5s) |   C |    60 | 17.3 |        
  154613 | 2022-04-23 00:16:41 |         MASTER-OAFA | (07h 43m 43.49s , +08d 09m 44.1s) |   C |    60 | 17.4 |        
  154692 | 2022-04-23 00:18:00 |         MASTER-OAFA | (07h 41m 38.38s , +06d 16m 38.6s) |   C |    60 | 17.2 |        
  155253 | 2022-04-23 00:27:21 |         MASTER-OAFA | (07h 35m 39.03s , +08d 08m 22.0s) |   C |    60 | 17.7 |        
  155658 | 2022-04-23 00:34:05 |         MASTER-OAFA | (07h 43m 43.97s , +08d 09m 36.0s) |   C |    60 | 17.9 |        
  165169 | 2022-04-23 03:11:37 |         MASTER-OAGH | (07h 37m 28.72s , +06d 03m 10.8s) |   C |   180 | 16.2 |        
  165169 | 2022-04-23 03:11:37 |         MASTER-OAGH | (07h 36m 59.76s , +06d 31m 07.1s) |   C |   180 | 16.9 |        
  168998 | 2022-04-23 04:16:25 |         MASTER-OAGH | (07h 40m 14.82s , +03d 32m 40.6s) |   C |    60 | 17.7 |        
  169548 | 2022-04-23 04:25:36 |         MASTER-OAGH | (07h 28m 14.23s , +06d 54m 34.2s) |   C |    60 | 17.0 |        
  170231 | 2022-04-23 04:36:59 |         MASTER-OAGH | (07h 40m 18.76s , +03d 32m 54.7s) |   C |    60 | 17.2 |        
  170664 | 2022-04-23 04:44:12 |         MASTER-OAGH | (07h 28m 18.62s , +06d 53m 37.7s) |   C |    60 | 17.0 |        
  171369 | 2022-04-23 04:55:57 |         MASTER-OAGH | (07h 40m 16.39s , +03d 33m 31.2s) |   C |    60 | 16.8 |        
  172021 | 2022-04-23 05:06:49 |         MASTER-OAGH | (07h 28m 21.44s , +06d 52m 59.1s) |   C |    60 | 17.2 |        
  251303 | 2022-04-24 03:08:11 |         MASTER-OAGH | (07h 37m 43.89s , +03d 40m 27.0s) |   C |    60 | 17.0 |        
  251385 | 2022-04-24 03:09:32 |         MASTER-OAGH | (07h 37m 43.82s , +03d 38m 55.3s) |   C |    60 | 17.7 |        
  251466 | 2022-04-24 03:10:54 |         MASTER-OAGH | (07h 37m 46.86s , +03d 40m 25.5s) |   C |    60 | 17.1 |        
  251547 | 2022-04-24 03:12:15 |         MASTER-OAGH | (07h 37m 40.84s , +03d 39m 29.7s) |   C |    60 | 17.3 |        
  251629 | 2022-04-24 03:13:36 |         MASTER-OAGH | (07h 37m 40.87s , +03d 40m 33.4s) |   C |    60 | 17.6 |        
  251710 | 2022-04-24 03:14:58 |         MASTER-OAGH | (07h 37m 45.92s , +03d 39m 32.3s) |   C |    60 | 18.4 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 6106
TYPE = 35
DAYS = 2


MASTER-OAGH robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Mexico (OAGH National Institute for Astrophysics, Optics and Electronics) was pointed to the ICECUBE Alert 220421.22 (trigger No 43687362,07h 37m 27.72s , +06d 02m 14.6s, R=0.7379) errorbox  314 sec after notice time and 361 sec after trigger time at 2022-04-21 05:26:19 UT, with upper limit up to  18.6 mag. The observations began at zenith distance = 67 deg. The sun  altitude  is -39.6 deg. 

MASTER-SAAO robotic telescope  located in South Africa (South African Astronomical Observatory) was pointed to the ICECUBE Alert 220421.22 errorbox  42524 sec after notice time and 42572 sec after trigger time at 2022-04-21 17:09:50 UT, with upper limit up to  16.7 mag. Observations started at twilight.  The observations began at zenith distance = 41 deg. The sun  altitude  is -13.1 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) was pointed to the ICECUBE Alert 220421.22 errorbox  64214 sec after notice time and 64261 sec after trigger time at 2022-04-21 23:11:19 UT, with upper limit up to  18.2 mag. Observations started at twilight.  The observations began at zenith distance = 39 deg. The sun  altitude  is -14.2 deg. 

The galactic latitude b = 14 deg., longitude l = 213 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1949988

We obtain a following upper limits.  

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

     396 | 2022-04-21 05:26:19 |         MASTER-OAGH | (07h 37m 41.98s , +06d 02m 00.1s) |   C |    70 | 17.0 |        
     396 | 2022-04-21 05:26:19 |         MASTER-OAGH | (07h 37m 05.71s , +06d 30m 58.4s) |  P- |    70 | 16.8 |        
     653 | 2022-04-21 05:30:10 |         MASTER-OAGH | (07h 37m 05.77s , +06d 29m 03.1s) |  P- |   120 | 17.1 |        
     653 | 2022-04-21 05:30:10 |         MASTER-OAGH | (07h 37m 42.24s , +06d 00m 03.1s) |   C |   120 | 17.8 |        
     958 | 2022-04-21 05:34:51 |         MASTER-OAGH | (07h 37m 46.50s , +06d 01m 48.4s) |   C |   170 | 18.0 |        
     958 | 2022-04-21 05:34:51 |         MASTER-OAGH | (07h 37m 09.77s , +06d 30m 45.2s) |  P- |   170 | 17.3 |        
    1293 | 2022-04-21 05:40:21 |         MASTER-OAGH | (07h 37m 40.93s , +06d 00m 53.5s) |   C |   180 | 17.8 |        
    1293 | 2022-04-21 05:40:21 |         MASTER-OAGH | (07h 37m 03.87s , +06d 29m 50.0s) |  P- |   180 | 17.2 |        
    1636 | 2022-04-21 05:46:04 |         MASTER-OAGH | (07h 37m 41.28s , +06d 01m 52.1s) |   C |   180 | 18.0 |        
    1636 | 2022-04-21 05:46:04 |         MASTER-OAGH | (07h 37m 03.84s , +06d 30m 48.3s) |  P- |   180 | 17.4 |        
    1921 | 2022-04-21 05:51:49 |         MASTER-OAGH | (07h 35m 31.63s , +06d 51m 39.2s) |   C |    60 | 18.1 |        
    1921 | 2022-04-21 05:51:49 |         MASTER-OAGH | (07h 34m 53.56s , +07d 20m 35.4s) |   C |    60 | 18.4 |        
    2590 | 2022-04-21 06:02:57 |         MASTER-OAGH | (07h 43m 39.52s , +06d 52m 16.5s) |   C |    60 | 18.4 |        
    2590 | 2022-04-21 06:02:57 |         MASTER-OAGH | (07h 43m 00.51s , +07d 21m 02.3s) |   C |    60 | 18.6 |        
    2811 | 2022-04-21 06:06:39 |         MASTER-OAGH | (07h 34m 01.34s , +04d 58m 48.9s) |   C |    60 | 18.3 |        
    2811 | 2022-04-21 06:06:39 |         MASTER-OAGH | (07h 33m 20.95s , +05d 27m 32.5s) |   C |    60 | 18.4 |        
    3034 | 2022-04-21 06:10:22 |         MASTER-OAGH | (07h 42m 01.91s , +04d 59m 47.6s) |   C |    60 | 18.2 |        
    3034 | 2022-04-21 06:10:22 |         MASTER-OAGH | (07h 41m 21.75s , +05d 28m 32.4s) |   C |    60 | 18.4 |        
    3261 | 2022-04-21 06:14:09 |         MASTER-OAGH | (07h 35m 40.19s , +06d 52m 49.9s) |   C |    60 | 18.2 |        
    3261 | 2022-04-21 06:14:09 |         MASTER-OAGH | (07h 34m 59.58s , +07d 21m 30.1s) |   C |    60 | 18.3 |        
    3545 | 2022-04-21 06:18:53 |         MASTER-OAGH | (07h 43m 45.28s , +06d 52m 22.4s) |   C |    60 | 17.6 |        
    3545 | 2022-04-21 06:18:53 |         MASTER-OAGH | (07h 43m 04.92s , +07d 20m 59.5s) |   C |    60 | 18.1 |        
    3767 | 2022-04-21 06:22:35 |         MASTER-OAGH | (07h 33m 23.37s , +05d 28m 24.9s) |   C |    60 | 18.1 |        
    3767 | 2022-04-21 06:22:35 |         MASTER-OAGH | (07h 34m 05.09s , +04d 59m 54.8s) |   C |    60 | 18.1 |        
    3988 | 2022-04-21 06:26:16 |         MASTER-OAGH | (07h 41m 25.22s , +05d 26m 37.2s) |   C |    60 | 18.1 |        
    3988 | 2022-04-21 06:26:16 |         MASTER-OAGH | (07h 42m 06.61s , +04d 58m 06.0s) |   C |    60 | 18.0 |        
    4208 | 2022-04-21 06:29:56 |         MASTER-OAGH | (07h 35m 01.19s , +07d 21m 55.8s) |   C |    60 | 18.0 |        
    4208 | 2022-04-21 06:29:56 |         MASTER-OAGH | (07h 35m 43.04s , +06d 53m 25.2s) |   C |    60 | 17.7 |        
    4489 | 2022-04-21 06:33:37 |         MASTER-OAGH | (07h 37m 05.68s , +06d 29m 40.0s) |   C |   180 | 18.3 |        
    4489 | 2022-04-21 06:33:37 |         MASTER-OAGH | (07h 37m 47.78s , +06d 01m 14.8s) |   C |   180 | 17.7 |        
    4770 | 2022-04-21 06:39:18 |         MASTER-OAGH | (07h 42m 57.31s , +07d 22m 26.1s) |   C |    60 | 17.8 |        
    4770 | 2022-04-21 06:39:18 |         MASTER-OAGH | (07h 43m 39.22s , +06d 54m 01.6s) |   C |    60 | 17.4 |        
   42602 | 2022-04-21 17:09:50 |         MASTER-SAAO | (07h 35m 34.60s , +06d 52m 56.7s) |   C |    60 | 16.7 |        
   42752 | 2022-04-21 17:11:20 |         MASTER-SAAO | (07h 37m 38.90s , +06d 00m 17.1s) |   C |   180 | 15.8 |        
   42892 | 2022-04-21 17:14:40 |         MASTER-SAAO | (07h 43m 38.67s , +06d 52m 27.8s) |   C |    60 | 15.7 |        
   43500 | 2022-04-21 17:24:48 |         MASTER-SAAO | (07h 35m 35.59s , +06d 52m 33.3s) |   C |    60 | 12.8 |        
   43739 | 2022-04-21 17:27:47 |         MASTER-SAAO | (07h 37m 43.17s , +06d 02m 53.8s) |   C |   180 | 15.6 |        
   43975 | 2022-04-21 17:32:43 |         MASTER-SAAO | (07h 43m 35.72s , +06d 52m 45.3s) |   C |    60 | 16.3 |        
   44320 | 2022-04-21 17:38:27 |         MASTER-SAAO | (07h 42m 02.12s , +05d 00m 53.8s) |   C |    60 | 15.4 |        
   45011 | 2022-04-21 17:49:59 |         MASTER-SAAO | (07h 43m 36.76s , +06d 53m 11.2s) |   C |    60 | 16.5 |        
   45357 | 2022-04-21 17:55:45 |         MASTER-SAAO | (07h 42m 07.91s , +04d 59m 26.8s) |   C |    60 | 14.0 |        
   64352 | 2022-04-21 23:11:19 |         MASTER-OAFA | (07h 35m 49.23s , +05d 22m 59.2s) |   C |   180 | 17.3 |        
   64494 | 2022-04-21 23:14:42 |         MASTER-OAFA | (07h 33m 42.76s , +06d 16m 24.7s) |   C |    60 | 15.3 |        
   64573 | 2022-04-21 23:16:01 |         MASTER-OAFA | (07h 41m 46.22s , +06d 15m 25.9s) |   C |    60 | 17.2 |        
   64980 | 2022-04-21 23:22:48 |         MASTER-OAFA | (07h 32m 09.51s , +04d 21m 01.5s) |   C |    60 | 17.7 |        
   65062 | 2022-04-21 23:24:10 |         MASTER-OAFA | (07h 40m 14.44s , +04d 22m 56.1s) |   C |    60 | 17.7 |        
   65442 | 2022-04-21 23:29:29 |         MASTER-OAFA | (07h 35m 52.99s , +05d 24m 47.7s) |   C |   180 | 18.2 |        
   65634 | 2022-04-21 23:33:42 |         MASTER-OAFA | (07h 33m 45.70s , +06d 16m 46.0s) |   C |    60 | 15.4 |        
   65662 | 2022-04-21 23:34:10 |         MASTER-OAFA | (07h 41m 43.91s , +06d 16m 01.7s) |   C |    60 | 17.6 |        
   65904 | 2022-04-21 23:38:11 |         MASTER-OAFA | (07h 32m 09.46s , +04d 22m 28.3s) |   C |    60 | 17.8 |        
   65984 | 2022-04-21 23:39:31 |         MASTER-OAFA | (07h 40m 11.47s , +04d 21m 14.0s) |   C |    60 | 17.7 |        
   66446 | 2022-04-21 23:46:14 |         MASTER-OAFA | (07h 35m 55.52s , +05d 24m 46.7s) |   C |   180 | 18.2 |        
   66753 | 2022-04-21 23:52:21 |         MASTER-OAFA | (07h 33m 46.59s , +06d 15m 40.3s) |   C |    60 | 17.7 |        
   66837 | 2022-04-21 23:53:45 |         MASTER-OAFA | (07h 41m 42.95s , +06d 14m 55.9s) |   C |    60 | 17.6 |        
   66917 | 2022-04-21 23:55:05 |         MASTER-OAFA | (07h 32m 07.60s , +04d 21m 34.2s) |   C |    60 | 17.8 |        
   66999 | 2022-04-21 23:56:27 |         MASTER-OAFA | (07h 40m 08.77s , +04d 22m 50.7s) |   C |    60 | 17.6 |        
   88465 | 2022-04-22 05:54:13 |         MASTER-OAGH | (07h 35m 36.13s , +06d 53m 39.8s) |   C |    60 | 18.1 |        
   88465 | 2022-04-22 05:54:13 |         MASTER-OAGH | (07h 34m 56.72s , +07d 22m 00.6s) |   C |    60 | 18.0 |        
   88547 | 2022-04-22 05:55:34 |         MASTER-OAGH | (07h 43m 39.64s , +06d 52m 20.0s) |   C |    60 | 17.5 |        
   88547 | 2022-04-22 05:55:34 |         MASTER-OAGH | (07h 43m 00.68s , +07d 20m 41.2s) |   C |    60 | 17.8 |        
   89324 | 2022-04-22 06:08:32 |         MASTER-OAGH | (07h 35m 34.86s , +06d 51m 59.3s) |   C |    60 | 17.5 |        
   89324 | 2022-04-22 06:08:32 |         MASTER-OAGH | (07h 34m 54.39s , +07d 20m 20.8s) |   C |    60 | 17.6 |        
   89546 | 2022-04-22 06:12:14 |         MASTER-OAGH | (07h 34m 05.11s , +05d 00m 02.6s) |   C |    60 | 17.0 |        
   89546 | 2022-04-22 06:12:14 |         MASTER-OAGH | (07h 33m 23.89s , +05d 28m 06.6s) |   C |    60 | 17.3 |        
   89767 | 2022-04-22 06:15:55 |         MASTER-OAGH | (07h 42m 06.65s , +04d 58m 13.7s) |   C |    60 | 16.8 |        
   89767 | 2022-04-22 06:15:55 |         MASTER-OAGH | (07h 41m 25.83s , +05d 26m 18.5s) |   C |    60 | 17.2 |        
   89916 | 2022-04-22 06:18:23 |         MASTER-OAGH | (07h 43m 43.92s , +06d 53m 38.3s) |   C |    60 | 17.3 |        
   89916 | 2022-04-22 06:18:23 |         MASTER-OAGH | (07h 43m 03.24s , +07d 21m 42.3s) |   C |    60 | 17.5 |        
   90952 | 2022-04-22 06:35:40 |         MASTER-OAGH | (07h 43m 40.18s , +06d 53m 10.8s) |   C |    60 | 16.6 |        
   90952 | 2022-04-22 06:35:40 |         MASTER-OAGH | (07h 42m 58.23s , +07d 21m 13.6s) |   C |    60 | 17.0 |        
  151319 | 2022-04-22 23:20:46 |         MASTER-OAFA | (07h 35m 47.47s , +05d 22m 53.9s) |   C |   180 | 18.0 |        
  152109 | 2022-04-22 23:34:57 |         MASTER-OAFA | (07h 32m 03.88s , +04d 20m 52.0s) |   C |    60 | 17.5 |        
  152189 | 2022-04-22 23:36:17 |         MASTER-OAFA | (07h 40m 08.31s , +04d 22m 19.0s) |   C |    60 | 17.6 |        
  152268 | 2022-04-22 23:37:36 |         MASTER-OAFA | (07h 33m 33.50s , +06d 16m 34.7s) |   C |    60 | 17.4 |        
  152407 | 2022-04-22 23:38:55 |         MASTER-OAFA | (07h 35m 49.50s , +05d 23m 51.5s) |   C |   180 | 17.9 |        
  152550 | 2022-04-22 23:42:18 |         MASTER-OAFA | (07h 41m 37.43s , +06d 14m 49.7s) |   C |    60 | 17.4 |        
  153046 | 2022-04-22 23:50:34 |         MASTER-OAFA | (07h 32m 07.64s , +04d 20m 44.6s) |   C |    60 | 17.6 |        
  153126 | 2022-04-22 23:51:53 |         MASTER-OAFA | (07h 40m 05.78s , +04d 22m 37.3s) |   C |    60 | 17.6 |        
  153205 | 2022-04-22 23:53:13 |         MASTER-OAFA | (07h 33m 37.33s , +06d 14m 38.7s) |   C |    60 | 17.5 |        
  153285 | 2022-04-22 23:54:32 |         MASTER-OAFA | (07h 35m 38.50s , +08d 09m 36.9s) |   C |    60 | 17.5 |        
  153424 | 2022-04-22 23:55:52 |         MASTER-OAFA | (07h 35m 43.76s , +05d 24m 47.7s) |   C |   180 | 18.1 |        
  153614 | 2022-04-23 00:00:02 |         MASTER-OAFA | (07h 43m 50.45s , +08d 09m 51.4s) |   C |    60 | 17.0 |        
  153975 | 2022-04-23 00:06:03 |         MASTER-OAFA | (07h 32m 03.86s , +04d 20m 31.3s) |   C |    60 | 17.4 |        
  154055 | 2022-04-23 00:07:23 |         MASTER-OAFA | (07h 40m 09.30s , +04d 22m 12.9s) |   C |    60 | 17.3 |        
  154134 | 2022-04-23 00:08:42 |         MASTER-OAFA | (07h 33m 33.62s , +06d 15m 25.3s) |   C |    60 | 17.2 |        
  154214 | 2022-04-23 00:10:01 |         MASTER-OAFA | (07h 35m 37.68s , +08d 10m 30.5s) |   C |    60 | 17.3 |        
  154613 | 2022-04-23 00:16:41 |         MASTER-OAFA | (07h 43m 43.49s , +08d 09m 44.1s) |   C |    60 | 17.4 |        
  154692 | 2022-04-23 00:18:00 |         MASTER-OAFA | (07h 41m 38.38s , +06d 16m 38.6s) |   C |    60 | 17.2 |        
  155253 | 2022-04-23 00:27:21 |         MASTER-OAFA | (07h 35m 39.03s , +08d 08m 22.0s) |   C |    60 | 17.7 |        
  155658 | 2022-04-23 00:34:05 |         MASTER-OAFA | (07h 43m 43.97s , +08d 09m 36.0s) |   C |    60 | 17.9 |        
  165169 | 2022-04-23 03:11:37 |         MASTER-OAGH | (07h 37m 28.72s , +06d 03m 10.8s) |   C |   180 | 16.2 |        
  165169 | 2022-04-23 03:11:37 |         MASTER-OAGH | (07h 36m 59.76s , +06d 31m 07.1s) |   C |   180 | 16.9 |        
  168998 | 2022-04-23 04:16:25 |         MASTER-OAGH | (07h 40m 14.82s , +03d 32m 40.6s) |   C |    60 | 17.7 |        
  169548 | 2022-04-23 04:25:36 |         MASTER-OAGH | (07h 28m 14.23s , +06d 54m 34.2s) |   C |    60 | 17.0 |        
  170231 | 2022-04-23 04:36:59 |         MASTER-OAGH | (07h 40m 18.76s , +03d 32m 54.7s) |   C |    60 | 17.2 |        
  170664 | 2022-04-23 04:44:12 |         MASTER-OAGH | (07h 28m 18.62s , +06d 53m 37.7s) |   C |    60 | 17.0 |        
  171369 | 2022-04-23 04:55:57 |         MASTER-OAGH | (07h 40m 16.39s , +03d 33m 31.2s) |   C |    60 | 16.8 |        
  172021 | 2022-04-23 05:06:49 |         MASTER-OAGH | (07h 28m 21.44s , +06d 52m 59.1s) |   C |    60 | 17.2 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 6104
TYPE = 35
DAYS = 1


MASTER-OAGH robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Mexico (OAGH National Institute for Astrophysics, Optics and Electronics) was pointed to the ICECUBE Alert 220421.22 (trigger No 43687362,07h 37m 27.72s , +06d 02m 14.6s, R=0.7379) errorbox  314 sec after notice time and 361 sec after trigger time at 2022-04-21 05:26:19 UT, with upper limit up to  18.6 mag. The observations began at zenith distance = 67 deg. The sun  altitude  is -39.6 deg. 

MASTER-SAAO robotic telescope  located in South Africa (South African Astronomical Observatory) was pointed to the ICECUBE Alert 220421.22 errorbox  42524 sec after notice time and 42572 sec after trigger time at 2022-04-21 17:09:50 UT, with upper limit up to  16.7 mag. Observations started at twilight.  The observations began at zenith distance = 41 deg. The sun  altitude  is -13.1 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) was pointed to the ICECUBE Alert 220421.22 errorbox  64214 sec after notice time and 64261 sec after trigger time at 2022-04-21 23:11:19 UT, with upper limit up to  18.2 mag. Observations started at twilight.  The observations began at zenith distance = 39 deg. The sun  altitude  is -14.2 deg. 

The galactic latitude b = 14 deg., longitude l = 213 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1949988

We obtain a following upper limits.  

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

     396 | 2022-04-21 05:26:19 |         MASTER-OAGH | (07h 37m 41.98s , +06d 02m 00.1s) |   C |    70 | 17.0 |        
     396 | 2022-04-21 05:26:19 |         MASTER-OAGH | (07h 37m 05.71s , +06d 30m 58.4s) |  P- |    70 | 16.8 |        
     653 | 2022-04-21 05:30:10 |         MASTER-OAGH | (07h 37m 05.77s , +06d 29m 03.1s) |  P- |   120 | 17.1 |        
     653 | 2022-04-21 05:30:10 |         MASTER-OAGH | (07h 37m 42.24s , +06d 00m 03.1s) |   C |   120 | 17.8 |        
     958 | 2022-04-21 05:34:51 |         MASTER-OAGH | (07h 37m 46.50s , +06d 01m 48.4s) |   C |   170 | 18.0 |        
     958 | 2022-04-21 05:34:51 |         MASTER-OAGH | (07h 37m 09.77s , +06d 30m 45.2s) |  P- |   170 | 17.3 |        
    1293 | 2022-04-21 05:40:21 |         MASTER-OAGH | (07h 37m 40.93s , +06d 00m 53.5s) |   C |   180 | 17.8 |        
    1293 | 2022-04-21 05:40:21 |         MASTER-OAGH | (07h 37m 03.87s , +06d 29m 50.0s) |  P- |   180 | 17.2 |        
    1636 | 2022-04-21 05:46:04 |         MASTER-OAGH | (07h 37m 41.28s , +06d 01m 52.1s) |   C |   180 | 18.0 |        
    1636 | 2022-04-21 05:46:04 |         MASTER-OAGH | (07h 37m 03.84s , +06d 30m 48.3s) |  P- |   180 | 17.4 |        
    1921 | 2022-04-21 05:51:49 |         MASTER-OAGH | (07h 35m 31.63s , +06d 51m 39.2s) |   C |    60 | 18.1 |        
    1921 | 2022-04-21 05:51:49 |         MASTER-OAGH | (07h 34m 53.56s , +07d 20m 35.4s) |   C |    60 | 18.4 |        
    2590 | 2022-04-21 06:02:57 |         MASTER-OAGH | (07h 43m 39.52s , +06d 52m 16.5s) |   C |    60 | 18.4 |        
    2590 | 2022-04-21 06:02:57 |         MASTER-OAGH | (07h 43m 00.51s , +07d 21m 02.3s) |   C |    60 | 18.6 |        
    2811 | 2022-04-21 06:06:39 |         MASTER-OAGH | (07h 34m 01.34s , +04d 58m 48.9s) |   C |    60 | 18.3 |        
    2811 | 2022-04-21 06:06:39 |         MASTER-OAGH | (07h 33m 20.95s , +05d 27m 32.5s) |   C |    60 | 18.4 |        
    3034 | 2022-04-21 06:10:22 |         MASTER-OAGH | (07h 42m 01.91s , +04d 59m 47.6s) |   C |    60 | 18.2 |        
    3034 | 2022-04-21 06:10:22 |         MASTER-OAGH | (07h 41m 21.75s , +05d 28m 32.4s) |   C |    60 | 18.4 |        
    3261 | 2022-04-21 06:14:09 |         MASTER-OAGH | (07h 35m 40.19s , +06d 52m 49.9s) |   C |    60 | 18.2 |        
    3261 | 2022-04-21 06:14:09 |         MASTER-OAGH | (07h 34m 59.58s , +07d 21m 30.1s) |   C |    60 | 18.3 |        
    3545 | 2022-04-21 06:18:53 |         MASTER-OAGH | (07h 43m 45.28s , +06d 52m 22.4s) |   C |    60 | 17.6 |        
    3545 | 2022-04-21 06:18:53 |         MASTER-OAGH | (07h 43m 04.92s , +07d 20m 59.5s) |   C |    60 | 18.1 |        
    3767 | 2022-04-21 06:22:35 |         MASTER-OAGH | (07h 33m 23.37s , +05d 28m 24.9s) |   C |    60 | 18.1 |        
    3767 | 2022-04-21 06:22:35 |         MASTER-OAGH | (07h 34m 05.09s , +04d 59m 54.8s) |   C |    60 | 18.1 |        
    3988 | 2022-04-21 06:26:16 |         MASTER-OAGH | (07h 41m 25.22s , +05d 26m 37.2s) |   C |    60 | 18.1 |        
    3988 | 2022-04-21 06:26:16 |         MASTER-OAGH | (07h 42m 06.61s , +04d 58m 06.0s) |   C |    60 | 18.0 |        
    4208 | 2022-04-21 06:29:56 |         MASTER-OAGH | (07h 35m 01.19s , +07d 21m 55.8s) |   C |    60 | 18.0 |        
    4208 | 2022-04-21 06:29:56 |         MASTER-OAGH | (07h 35m 43.04s , +06d 53m 25.2s) |   C |    60 | 17.7 |        
    4489 | 2022-04-21 06:33:37 |         MASTER-OAGH | (07h 37m 05.68s , +06d 29m 40.0s) |   C |   180 | 18.3 |        
    4489 | 2022-04-21 06:33:37 |         MASTER-OAGH | (07h 37m 47.78s , +06d 01m 14.8s) |   C |   180 | 17.7 |        
    4770 | 2022-04-21 06:39:18 |         MASTER-OAGH | (07h 42m 57.31s , +07d 22m 26.1s) |   C |    60 | 17.8 |        
    4770 | 2022-04-21 06:39:18 |         MASTER-OAGH | (07h 43m 39.22s , +06d 54m 01.6s) |   C |    60 | 17.4 |        
   42602 | 2022-04-21 17:09:50 |         MASTER-SAAO | (07h 35m 34.60s , +06d 52m 56.7s) |   C |    60 | 16.7 |        
   42752 | 2022-04-21 17:11:20 |         MASTER-SAAO | (07h 37m 38.90s , +06d 00m 17.1s) |   C |   180 | 15.8 |        
   42892 | 2022-04-21 17:14:40 |         MASTER-SAAO | (07h 43m 38.67s , +06d 52m 27.8s) |   C |    60 | 15.7 |        
   43500 | 2022-04-21 17:24:48 |         MASTER-SAAO | (07h 35m 35.59s , +06d 52m 33.3s) |   C |    60 | 12.8 |        
   43739 | 2022-04-21 17:27:47 |         MASTER-SAAO | (07h 37m 43.17s , +06d 02m 53.8s) |   C |   180 | 15.6 |        
   43975 | 2022-04-21 17:32:43 |         MASTER-SAAO | (07h 43m 35.72s , +06d 52m 45.3s) |   C |    60 | 16.3 |        
   44320 | 2022-04-21 17:38:27 |         MASTER-SAAO | (07h 42m 02.12s , +05d 00m 53.8s) |   C |    60 | 15.4 |        
   45011 | 2022-04-21 17:49:59 |         MASTER-SAAO | (07h 43m 36.76s , +06d 53m 11.2s) |   C |    60 | 16.5 |        
   45357 | 2022-04-21 17:55:45 |         MASTER-SAAO | (07h 42m 07.91s , +04d 59m 26.8s) |   C |    60 | 14.0 |        
   64352 | 2022-04-21 23:11:19 |         MASTER-OAFA | (07h 35m 49.23s , +05d 22m 59.2s) |   C |   180 | 17.3 |        
   64494 | 2022-04-21 23:14:42 |         MASTER-OAFA | (07h 33m 42.76s , +06d 16m 24.7s) |   C |    60 | 15.3 |        
   64573 | 2022-04-21 23:16:01 |         MASTER-OAFA | (07h 41m 46.22s , +06d 15m 25.9s) |   C |    60 | 17.2 |        
   64980 | 2022-04-21 23:22:48 |         MASTER-OAFA | (07h 32m 09.51s , +04d 21m 01.5s) |   C |    60 | 17.7 |        
   65062 | 2022-04-21 23:24:10 |         MASTER-OAFA | (07h 40m 14.44s , +04d 22m 56.1s) |   C |    60 | 17.7 |        
   65442 | 2022-04-21 23:29:29 |         MASTER-OAFA | (07h 35m 52.99s , +05d 24m 47.7s) |   C |   180 | 18.2 |        
   65634 | 2022-04-21 23:33:42 |         MASTER-OAFA | (07h 33m 45.70s , +06d 16m 46.0s) |   C |    60 | 15.4 |        
   65662 | 2022-04-21 23:34:10 |         MASTER-OAFA | (07h 41m 43.91s , +06d 16m 01.7s) |   C |    60 | 17.6 |        
   65904 | 2022-04-21 23:38:11 |         MASTER-OAFA | (07h 32m 09.46s , +04d 22m 28.3s) |   C |    60 | 17.8 |        
   65984 | 2022-04-21 23:39:31 |         MASTER-OAFA | (07h 40m 11.47s , +04d 21m 14.0s) |   C |    60 | 17.7 |        
   66446 | 2022-04-21 23:46:14 |         MASTER-OAFA | (07h 35m 55.52s , +05d 24m 46.7s) |   C |   180 | 18.2 |        
   66753 | 2022-04-21 23:52:21 |         MASTER-OAFA | (07h 33m 46.59s , +06d 15m 40.3s) |   C |    60 | 17.7 |        
   66837 | 2022-04-21 23:53:45 |         MASTER-OAFA | (07h 41m 42.95s , +06d 14m 55.9s) |   C |    60 | 17.6 |        
   66917 | 2022-04-21 23:55:05 |         MASTER-OAFA | (07h 32m 07.60s , +04d 21m 34.2s) |   C |    60 | 17.8 |        
   66999 | 2022-04-21 23:56:27 |         MASTER-OAFA | (07h 40m 08.77s , +04d 22m 50.7s) |   C |    60 | 17.6 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 6099
TYPE = 35
DAYS = 0


MASTER-OAGH robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Mexico (OAGH National Institute for Astrophysics, Optics and Electronics) was pointed to the ICECUBE Alert 220421.22 (trigger No 43687362,07h 37m 27.60s , +06d 02m 13.2s, R=0.74) errorbox  314 sec after notice time and 361 sec after trigger time at 2022-04-21 05:26:19 UT, with upper limit up to  17.8 mag. The observations began at zenith distance = 67 deg. The sun  altitude  is -39.6 deg. 

The galactic latitude b = 14 deg., longitude l = 213 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1949987

We obtain a following upper limits.  

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

     396 | 2022-04-21 05:26:19 |         MASTER-OAGH | (07h 37m 41.98s , +06d 02m 00.1s) |   C |    70 | 17.0 |        
     396 | 2022-04-21 05:26:19 |         MASTER-OAGH | (07h 37m 05.71s , +06d 30m 58.4s) |  P- |    70 | 16.8 |        
     653 | 2022-04-21 05:30:10 |         MASTER-OAGH | (07h 37m 05.77s , +06d 29m 03.1s) |  P- |   120 | 17.1 |        
     653 | 2022-04-21 05:30:10 |         MASTER-OAGH | (07h 37m 42.24s , +06d 00m 03.1s) |   C |   120 | 17.8 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 6098
TYPE = 35
DAYS = 0


MASTER-OAGH robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Mexico (OAGH National Institute for Astrophysics, Optics and Electronics) was pointed to the ICECUBE Alert 220421.22 (trigger No 43687362,07h 37m 27.60s , +06d 02m 13.2s, R=0.74) errorbox  314 sec after notice time and 361 sec after trigger time at 2022-04-21 05:26:19 UT, with upper limit up to  17.8 mag. The observations began at zenith distance = 67 deg. The sun  altitude  is -39.6 deg. 

The galactic latitude b = 14 deg., longitude l = 213 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1949987

We obtain a following upper limits.  

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

     396 | 2022-04-21 05:26:19 |         MASTER-OAGH | (07h 37m 41.98s , +06d 02m 00.1s) |   C |    70 | 17.0 |        
     396 | 2022-04-21 05:26:19 |         MASTER-OAGH | (07h 37m 05.71s , +06d 30m 58.4s) |  P- |    70 | 16.8 |        
     653 | 2022-04-21 05:30:10 |         MASTER-OAGH | (07h 37m 05.77s , +06d 29m 03.1s) |  P- |   120 | 17.1 |        
     653 | 2022-04-21 05:30:10 |         MASTER-OAGH | (07h 37m 42.24s , +06d 00m 03.1s) |   C |   120 | 17.8 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 6097
TYPE = 34
DAYS = 0


MASTER-OAGH robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Mexico (OAGH National Institute for Astrophysics, Optics and Electronics) was pointed to the ICECUBE Alert 220421.22 (trigger No 43687362,07h 37m 27.60s , +06d 02m 13.2s, R=0.74) errorbox  314 sec after notice time and 361 sec after trigger time at 2022-04-21 05:26:19 UT, with upper limit up to  17.8 mag. The observations began at zenith distance = 67 deg. The sun  altitude  is -39.6 deg. 

The galactic latitude b = 14 deg., longitude l = 213 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1949987

We obtain a following upper limits.  

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

     396 | 2022-04-21 05:26:19 |         MASTER-OAGH | (07h 37m 41.98s , +06d 02m 00.1s) |   C |    70 | 17.0 |        
     396 | 2022-04-21 05:26:19 |         MASTER-OAGH | (07h 37m 05.71s , +06d 30m 58.4s) |  P- |    70 | 16.8 |        
     653 | 2022-04-21 05:30:10 |         MASTER-OAGH | (07h 37m 05.77s , +06d 29m 03.1s) |  P- |   120 | 17.1 |        
     653 | 2022-04-21 05:30:10 |         MASTER-OAGH | (07h 37m 42.24s , +06d 00m 03.1s) |   C |   120 | 17.8 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025