MASTER Net MASTER Database: IceCube230217.87 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 IceCube230217.87
Trignum 22129736
Trigger time 2023-02-17 20:49:43.37
Notice time 2023-02-17 20:50:45.718796
Coord, eb (08h 17m 40.32s , +18d 54m 54.0s) , 1.02
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You are viewing outdated information, relevant error box is here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
2199884 2023-02-17 21:55:12.667298 08h 18m 09.60s +20d 44m 24.0s ICECUBE 2.39 alert 22129736 14 174 alert

DAYS:

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

Synchronous WFC images
Distance datetime coord2000 observatory camera links
122.3 2023-02-17 20:49:41.928 00h 00m 00.00s +00d 00m 00.0s Kislovodsk 29007 Database Kislovodsk
Errorbox center visibility at MASTER facilities
trigger notice notice+1hr now

2023-02-17 20:49:43 (JD 2459993.367859)

Siderial time 9.174651 h

Ra 08:17:40.32 Dec 18:54:54.00
(124.418000d, 18.915000d)

Rise 2023-02-18 14:48:37

Transit 2023-02-18 22:53:07

Set 2023-02-18 07:01:34

Amur

Object: Altitude: 6.48 Azimuth: 111.96

Sun: Altitude: -17.63 Azimuth: 267.57

Moon: Altitude: -7.96 Azimuth: 301.86

Tunka

Object: Altitude: 21.71 Azimuth: 93.34

Sun: Altitude: -32.18 Azimuth: 246.18

Moon: Altitude: -22.61 Azimuth: 284.01

Kislovodsk

Object: Altitude: 60.89 Azimuth: 37.19

Sun: Altitude: -57.44 Azimuth: 164.93

Moon: Altitude: -62.86 Azimuth: 237.93

Tavrida

Object: Altitude: 62.97 Azimuth: 20.32

Sun: Altitude: -54.24 Azimuth: 151.19

Moon: Altitude: -66.91 Azimuth: 222.00

SAAO

Object: Altitude: 38.59 Azimuth: 184.37

Sun: Altitude: -37.22 Azimuth: 37.81

Moon: Altitude: -31.38 Azimuth: 356.02

IAC

Object: Altitude: 51.54 Azimuth: 274.93

Sun: Altitude: -25.55 Azimuth: 89.79

Moon: Altitude: -60.19 Azimuth: 86.20

Argentina

Object: Altitude: -12.90 Azimuth: 255.57

Sun: Altitude: 31.73 Azimuth: 95.54

Moon: Altitude: 10.57 Azimuth: 65.71

Mexico

Object: Altitude: -23.82 Azimuth: 227.20

Sun: Altitude: 43.32 Azimuth: 25.78

Moon: Altitude: 13.89 Azimuth: 47.28

Ural

Object: Altitude: 43.87 Azimuth: 49.02

Sun: Altitude: -44.42 Azimuth: 192.09

Moon: Altitude: -46.85 Azimuth: 242.52

Vostryakovo

Object: Altitude: 52.15 Azimuth: 20.92

Sun: Altitude: -45.42 Azimuth: 161.82

Moon: Altitude: -57.06 Azimuth: 215.87

Gal. latitude: 27.780460 Gal. longitude: 204.973893

Dist. to Sun: 153.719293

Dist. to Moon: 170.073183

Moon coord.: (297.025502 d, -26.126999 d)

Sun coord.: (330.748602 d, -11.964600 d)

Lunar disk: 0.089379

Lunar phase: 145.209349

Lunar bright limb: 72.435416

No SN in this field

2023-02-17 20:50:45 (JD 2459993.368576)

Siderial time 9.191920 h

Ra 08:17:40.32 Dec 18:54:54.00
(124.418000d, 18.915000d)

Rise 2023-02-18 14:48:37

Transit 2023-02-18 22:53:07

Set 2023-02-18 07:01:34

Amur

Object: Altitude: 6.33 Azimuth: 112.15

Sun: Altitude: -17.46 Azimuth: 267.77

Moon: Altitude: -7.83 Azimuth: 302.03

Tunka

Object: Altitude: 21.55 Azimuth: 93.54

Sun: Altitude: -32.04 Azimuth: 246.42

Moon: Altitude: -22.46 Azimuth: 284.19

Kislovodsk

Object: Altitude: 60.78 Azimuth: 37.63

Sun: Altitude: -57.48 Azimuth: 165.39

Moon: Altitude: -62.71 Azimuth: 238.28

Tavrida

Object: Altitude: 62.91 Azimuth: 20.84

Sun: Altitude: -54.33 Azimuth: 151.60

Moon: Altitude: -66.79 Azimuth: 222.47

SAAO

Object: Altitude: 38.60 Azimuth: 184.05

Sun: Altitude: -37.36 Azimuth: 37.54

Moon: Altitude: -31.37 Azimuth: 355.76

IAC

Object: Altitude: 51.76 Azimuth: 275.08

Sun: Altitude: -25.78 Azimuth: 89.92

Moon: Altitude: -60.41 Azimuth: 86.30

Argentina

Object: Altitude: -12.69 Azimuth: 255.44

Sun: Altitude: 31.51 Azimuth: 95.39

Moon: Altitude: 10.38 Azimuth: 65.60

Mexico

Object: Altitude: -23.66 Azimuth: 227.40

Sun: Altitude: 43.23 Azimuth: 26.10

Moon: Altitude: 13.74 Azimuth: 47.44

Ural

Object: Altitude: 43.76 Azimuth: 49.33

Sun: Altitude: -44.39 Azimuth: 192.44

Moon: Altitude: -46.73 Azimuth: 242.79

Vostryakovo

Object: Altitude: 52.09 Azimuth: 21.31

Sun: Altitude: -45.46 Azimuth: 162.17

Moon: Altitude: -56.98 Azimuth: 216.25

Gal. latitude: 27.780460 Gal. longitude: 204.973893

Dist. to Sun: 153.718569

Dist. to Moon: 170.081911

Moon coord.: (297.037314 d, -26.125244 d)

Sun coord.: (330.749297 d, -11.964349 d)

Lunar disk: 0.089329

Lunar phase: 145.219297

Lunar bright limb: 72.428196

No SN in this field

2023-02-17 21:50:45 (JD 2459993.410243)

Siderial time 10.194658 h

Ra 08:17:40.32 Dec 18:54:54.00
(124.418000d, 18.915000d)

Rise 2023-02-18 14:48:37

Transit 2023-02-18 22:53:07

Set 2023-02-18 07:01:34

Amur

Object: Altitude: -2.15 Azimuth: 123.59

Sun: Altitude: -7.91 Azimuth: 279.20

Moon: Altitude: -0.46 Azimuth: 312.64

Tunka

Object: Altitude: 12.39 Azimuth: 104.93

Sun: Altitude: -23.17 Azimuth: 259.64

Moon: Altitude: -14.01 Azimuth: 294.46

Kislovodsk

Object: Altitude: 52.62 Azimuth: 59.09

Sun: Altitude: -57.63 Azimuth: 192.93

Moon: Altitude: -53.12 Azimuth: 254.70

Tavrida

Object: Altitude: 56.90 Azimuth: 46.83

Sun: Altitude: -57.20 Azimuth: 177.34

Moon: Altitude: -58.49 Azimuth: 244.26

SAAO

Object: Altitude: 37.50 Azimuth: 166.01

Sun: Altitude: -43.50 Azimuth: 19.98

Moon: Altitude: -29.03 Azimuth: 341.08

IAC

Object: Altitude: 64.78 Azimuth: 286.21

Sun: Altitude: -38.94 Azimuth: 97.63

Moon: Altitude: -73.02 Azimuth: 93.28

Argentina

Object: Altitude: -0.56 Azimuth: 247.95

Sun: Altitude: 18.77 Azimuth: 87.33

Moon: Altitude: -0.46 Azimuth: 58.59

Mexico

Object: Altitude: -13.41 Azimuth: 237.82

Sun: Altitude: 35.94 Azimuth: 42.69

Moon: Altitude: 4.13 Azimuth: 56.15

Ural

Object: Altitude: 36.86 Azimuth: 65.70

Sun: Altitude: -41.29 Azimuth: 212.05

Moon: Altitude: -39.31 Azimuth: 257.26

Vostryakovo

Object: Altitude: 47.58 Azimuth: 42.32

Sun: Altitude: -46.53 Azimuth: 183.30

Moon: Altitude: -51.01 Azimuth: 235.80

Gal. latitude: 27.780460 Gal. longitude: 204.973893

Dist. to Sun: 153.676510

Dist. to Moon: 170.581788

Moon coord.: (297.722785 d, -26.021658 d)

Sun coord.: (330.789632 d, -11.949739 d)

Lunar disk: 0.086474

Lunar phase: 145.796999

Lunar bright limb: 72.007478

No SN in this field

2025-04-10 05:43:04 (JD 2460775.738241)

Siderial time 21.473238 h

Ra 08:17:40.32 Dec 18:54:54.00
(124.418000d, 18.915000d)

Rise 2025-04-10 11:26:04

Transit 2025-04-10 19:30:34

Set 2025-04-10 03:39:01

Amur

Object: Altitude: 25.57 Azimuth: 270.79

Sun: Altitude: 39.41 Azimuth: 44.67

Moon: Altitude: -14.31 Azimuth: 244.09

Tunka

Object: Altitude: 10.65 Azimuth: 252.88

Sun: Altitude: 45.51 Azimuth: 12.54

Moon: Altitude: -25.60 Azimuth: 221.17

Kislovodsk

Object: Altitude: -24.01 Azimuth: 203.44

Sun: Altitude: 32.59 Azimuth: 292.68

Moon: Altitude: -37.05 Azimuth: 149.49

Tavrida

Object: Altitude: -25.07 Azimuth: 194.72

Sun: Altitude: 26.52 Azimuth: 286.12

Moon: Altitude: -32.75 Azimuth: 140.46

SAAO

Object: Altitude: -76.51 Azimuth: 356.46

Sun: Altitude: 9.49 Azimuth: 254.25

Moon: Altitude: -39.11 Azimuth: 66.84

IAC

Object: Altitude: -31.09 Azimuth: 138.99

Sun: Altitude: -14.09 Azimuth: 252.75

Moon: Altitude: -3.94 Azimuth: 97.37

Argentina

Object: Altitude: -10.44 Azimuth: 105.88

Sun: Altitude: -61.64 Azimuth: 323.83

Moon: Altitude: 34.44 Azimuth: 122.64

Mexico

Object: Altitude: 43.76 Azimuth: 86.98

Sun: Altitude: -44.45 Azimuth: 144.70

Moon: Altitude: 63.38 Azimuth: 6.92

Ural

Object: Altitude: -7.16 Azimuth: 217.43

Sun: Altitude: 33.97 Azimuth: 317.18

Moon: Altitude: -28.11 Azimuth: 172.12

Vostryakovo

Object: Altitude: -14.17 Azimuth: 197.42

Sun: Altitude: 25.13 Azimuth: 294.30

Moon: Altitude: -25.52 Azimuth: 147.97

Gal. latitude: 27.780460 Gal. longitude: 204.973893

Dist. to Sun: 102.064576

Dist. to Moon: 47.608709

Moon coord.: (170.990465 d, 4.594036 d)

Sun coord.: (18.709228 d, 7.920594 d)

Lunar disk: 0.931866

Lunar phase: 30.261846

Lunar bright limb: 294.256202

No SN in this field
Recent coverage and limits telegrams

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

  ID = 7830
TYPE = 35
DAYS = 3


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) started inspect of the ICECUBE Alert 230217.87 (trigger No 22129736,08h 17m 40.32s , +18d 54m 54.0s, R=1.02) errorbox  77449 sec after notice time and 77512 sec after trigger time at 2023-02-18 18:21:35 UT, with upper limit up to  19.3 mag. Observations started at twilight.  The observations began at zenith distance = 64 deg. The sun  altitude  is -12.0 deg. 

The galactic latitude b = 28 deg., longitude l = 205 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2199829

We obtain a following upper limits.  

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

   77602 | 2023-02-18 18:21:35 |         MASTER-SAAO | (08h 17m 49.59s , +18d 54m 32.4s) |   C |   180 | 16.0 |        
   77602 | 2023-02-18 18:21:35 |         MASTER-SAAO | (08h 16m 55.92s , +18d 54m 29.9s) |   C |   180 | 16.3 |        
   77742 | 2023-02-18 18:24:55 |         MASTER-SAAO | (08h 12m 09.45s , +18d 17m 48.1s) |   C |    60 | 17.4 |        
   77742 | 2023-02-18 18:24:55 |         MASTER-SAAO | (08h 11m 15.74s , +18d 17m 44.3s) |   C |    60 | 17.5 |        
   77821 | 2023-02-18 18:26:14 |         MASTER-SAAO | (08h 20m 37.84s , +18d 17m 11.9s) |   C |    60 | 17.5 |        
   77821 | 2023-02-18 18:26:14 |         MASTER-SAAO | (08h 19m 44.12s , +18d 17m 07.9s) |   C |    60 | 17.4 |        
   77913 | 2023-02-18 18:27:46 |         MASTER-SAAO | (08h 17m 56.08s , +20d 11m 08.4s) |   C |    60 | 17.5 |        
   77913 | 2023-02-18 18:27:46 |         MASTER-SAAO | (08h 17m 01.71s , +20d 11m 03.7s) |   C |    60 | 17.6 |        
   78023 | 2023-02-18 18:29:36 |         MASTER-SAAO | (08h 24m 57.54s , +20d 06m 53.9s) |   C |    60 | 18.2 |        
   78023 | 2023-02-18 18:29:36 |         MASTER-SAAO | (08h 24m 02.88s , +20d 07m 20.1s) |   C |    60 | 18.2 |        
   78743 | 2023-02-18 18:40:36 |         MASTER-SAAO | (08h 16m 36.10s , +18d 53m 06.9s) |   C |   180 | 18.1 |        
   78743 | 2023-02-18 18:40:36 |         MASTER-SAAO | (08h 17m 30.27s , +18d 53m 07.8s) |   C |   180 | 18.4 |        
   78895 | 2023-02-18 18:44:08 |         MASTER-SAAO | (08h 11m 04.95s , +18d 16m 28.2s) |   C |    60 | 18.7 |        
   78895 | 2023-02-18 18:44:08 |         MASTER-SAAO | (08h 11m 59.13s , +18d 16m 30.9s) |   C |    60 | 18.8 |        
   78986 | 2023-02-18 18:45:39 |         MASTER-SAAO | (08h 20m 24.09s , +18d 18m 19.8s) |   C |    60 | 18.6 |        
   78986 | 2023-02-18 18:45:39 |         MASTER-SAAO | (08h 19m 29.90s , +18d 18m 16.9s) |   C |    60 | 18.5 |        
   79077 | 2023-02-18 18:47:10 |         MASTER-SAAO | (08h 16m 45.86s , +20d 10m 27.2s) |   C |    60 | 18.6 |        
   79077 | 2023-02-18 18:47:10 |         MASTER-SAAO | (08h 17m 40.64s , +20d 10m 30.9s) |   C |    60 | 18.9 |        
   79157 | 2023-02-18 18:48:30 |         MASTER-SAAO | (08h 26m 18.56s , +20d 12m 26.9s) |   C |    60 | 18.6 |        
   79157 | 2023-02-18 18:48:30 |         MASTER-SAAO | (08h 25m 23.80s , +20d 12m 23.2s) |   C |    60 | 18.5 |        
   80164 | 2023-02-18 19:04:17 |         MASTER-SAAO | (08h 16m 39.96s , +18d 53m 16.0s) |   C |   180 | 19.2 |        
   80164 | 2023-02-18 19:04:17 |         MASTER-SAAO | (08h 17m 34.60s , +18d 53m 13.5s) |   C |   180 | 19.3 |        
   80315 | 2023-02-18 19:07:48 |         MASTER-SAAO | (08h 11m 57.88s , +18d 18m 14.6s) |   C |    60 | 19.0 |        
   80315 | 2023-02-18 19:07:48 |         MASTER-SAAO | (08h 11m 03.32s , +18d 18m 15.8s) |   C |    60 | 18.8 |        
   80395 | 2023-02-18 19:09:08 |         MASTER-SAAO | (08h 19m 28.58s , +18d 16m 48.3s) |   C |    60 | 18.8 |        
   80395 | 2023-02-18 19:09:08 |         MASTER-SAAO | (08h 20m 23.11s , +18d 16m 47.1s) |   C |    60 | 19.1 |        
   80486 | 2023-02-18 19:10:39 |         MASTER-SAAO | (08h 17m 45.92s , +20d 12m 19.7s) |   C |    60 | 19.0 |        
   80486 | 2023-02-18 19:10:39 |         MASTER-SAAO | (08h 16m 50.80s , +20d 12m 19.9s) |   C |    60 | 18.7 |        
   80566 | 2023-02-18 19:11:59 |         MASTER-SAAO | (08h 25m 15.39s , +20d 11m 36.3s) |   C |    60 | 18.8 |        
   80566 | 2023-02-18 19:11:59 |         MASTER-SAAO | (08h 26m 10.50s , +20d 11m 36.1s) |   C |    60 | 19.0 |        
  163139 | 2023-02-19 18:07:12 |         MASTER-SAAO | (08h 16m 35.35s , +20d 41m 20.0s) |   C |   180 | 17.0 |        
  163139 | 2023-02-19 18:07:12 |         MASTER-SAAO | (08h 15m 42.02s , +20d 41m 46.5s) |   C |   180 | 16.4 |        
  163479 | 2023-02-19 18:12:52 |         MASTER-SAAO | (08h 16m 41.15s , +20d 39m 25.7s) |   C |   180 | 17.8 |        
  163479 | 2023-02-19 18:12:52 |         MASTER-SAAO | (08h 15m 47.37s , +20d 39m 50.9s) |   C |   180 | 17.3 |        
  163832 | 2023-02-19 18:19:45 |         MASTER-SAAO | (08h 09m 03.18s , +20d 10m 42.8s) |   C |    60 | 17.4 |        
  163832 | 2023-02-19 18:19:45 |         MASTER-SAAO | (08h 09m 57.60s , +20d 10m 52.8s) |   C |    60 | 17.4 |        
  164397 | 2023-02-19 18:29:10 |         MASTER-SAAO | (08h 16m 41.58s , +20d 12m 00.8s) |   C |    60 | 18.0 |        
  164397 | 2023-02-19 18:29:10 |         MASTER-SAAO | (08h 17m 36.56s , +20d 12m 09.9s) |   C |    60 | 18.1 |        
  164547 | 2023-02-19 18:30:40 |         MASTER-SAAO | (08h 17m 05.20s , +20d 43m 27.8s) |   C |   180 | 17.5 |        
  164547 | 2023-02-19 18:30:40 |         MASTER-SAAO | (08h 18m 00.45s , +20d 43m 37.1s) |   C |   180 | 17.6 |        
  164699 | 2023-02-19 18:34:12 |         MASTER-SAAO | (08h 25m 16.12s , +20d 10m 16.3s) |   C |    60 | 18.1 |        
  164699 | 2023-02-19 18:34:12 |         MASTER-SAAO | (08h 26m 11.23s , +20d 10m 25.6s) |   C |    60 | 18.2 |        
  164963 | 2023-02-19 18:38:36 |         MASTER-SAAO | (08h 08m 56.87s , +20d 10m 00.3s) |   C |    60 | 18.6 |        
  164963 | 2023-02-19 18:38:36 |         MASTER-SAAO | (08h 09m 52.24s , +20d 10m 10.0s) |   C |    60 | 19.0 |        
  165475 | 2023-02-19 18:47:08 |         MASTER-SAAO | (08h 16m 39.39s , +20d 10m 21.7s) |   C |    60 | 18.7 |        
  165475 | 2023-02-19 18:47:08 |         MASTER-SAAO | (08h 17m 34.86s , +20d 10m 31.0s) |   C |    60 | 18.9 |        
  165567 | 2023-02-19 18:48:40 |         MASTER-SAAO | (08h 10m 53.88s , +18d 16m 16.9s) |   C |    60 | 18.7 |        
  165567 | 2023-02-19 18:48:40 |         MASTER-SAAO | (08h 11m 48.87s , +18d 16m 26.1s) |   C |    60 | 19.0 |        
  165657 | 2023-02-19 18:50:10 |         MASTER-SAAO | (08h 19m 21.95s , +18d 17m 52.8s) |   C |    60 | 18.7 |        
  165657 | 2023-02-19 18:50:10 |         MASTER-SAAO | (08h 20m 16.94s , +18d 18m 01.8s) |   C |    60 | 18.9 |        
  165737 | 2023-02-19 18:51:30 |         MASTER-SAAO | (08h 25m 05.72s , +20d 11m 26.5s) |   C |    60 | 18.6 |        
  165737 | 2023-02-19 18:51:30 |         MASTER-SAAO | (08h 26m 01.23s , +20d 11m 35.7s) |   C |    60 | 19.0 |        
  166445 | 2023-02-19 19:03:17 |         MASTER-SAAO | (08h 08m 56.75s , +20d 11m 49.5s) |   C |    60 | 18.7 |        
  166445 | 2023-02-19 19:03:17 |         MASTER-SAAO | (08h 09m 52.40s , +20d 11m 47.7s) |   C |    60 | 18.9 |        
  166877 | 2023-02-19 19:10:30 |         MASTER-SAAO | (08h 16m 41.19s , +20d 11m 32.1s) |   C |    60 | 18.7 |        
  166877 | 2023-02-19 19:10:30 |         MASTER-SAAO | (08h 17m 36.79s , +20d 11m 31.8s) |   C |    60 | 19.0 |        
  166957 | 2023-02-19 19:11:50 |         MASTER-SAAO | (08h 10m 50.51s , +18d 16m 26.3s) |   C |    60 | 18.6 |        
  166957 | 2023-02-19 19:11:50 |         MASTER-SAAO | (08h 11m 45.60s , +18d 16m 25.8s) |   C |    60 | 18.9 |        
  167048 | 2023-02-19 19:13:21 |         MASTER-SAAO | (08h 19m 21.89s , +18d 17m 07.1s) |   C |    60 | 18.8 |        
  167048 | 2023-02-19 19:13:21 |         MASTER-SAAO | (08h 20m 16.96s , +18d 17m 06.4s) |   C |    60 | 19.0 |        
  167127 | 2023-02-19 19:14:40 |         MASTER-SAAO | (08h 25m 09.33s , +20d 12m 19.5s) |   C |    60 | 18.8 |        
  167127 | 2023-02-19 19:14:40 |         MASTER-SAAO | (08h 26m 04.94s , +20d 12m 19.3s) |   C |    60 | 19.1 |        
  167219 | 2023-02-19 19:16:12 |         MASTER-SAAO | (08h 26m 57.02s , +18d 18m 25.4s) |   C |    60 | 18.7 |        
  167219 | 2023-02-19 19:16:12 |         MASTER-SAAO | (08h 27m 52.12s , +18d 18m 25.1s) |   C |    60 | 19.0 |        
  167482 | 2023-02-19 19:20:35 |         MASTER-SAAO | (08h 14m 06.80s , +16d 22m 35.5s) |   C |    60 | 18.9 |        
  167482 | 2023-02-19 19:20:35 |         MASTER-SAAO | (08h 15m 01.59s , +16d 22m 35.0s) |   C |    60 | 19.1 |        
  167930 | 2023-02-19 19:28:03 |         MASTER-SAAO | (08h 10m 57.50s , +18d 17m 38.9s) |   C |    60 | 18.8 |        
  167930 | 2023-02-19 19:28:03 |         MASTER-SAAO | (08h 11m 52.37s , +18d 17m 36.9s) |   C |    60 | 19.0 |        
  168010 | 2023-02-19 19:29:23 |         MASTER-SAAO | (08h 19m 16.53s , +18d 16m 48.2s) |   C |    60 | 18.7 |        
  168010 | 2023-02-19 19:29:23 |         MASTER-SAAO | (08h 20m 11.45s , +18d 16m 46.6s) |   C |    60 | 19.0 |        
  168288 | 2023-02-19 19:34:01 |         MASTER-SAAO | (08h 26m 57.70s , +18d 18m 44.0s) |   C |    60 | 18.9 |        
  168288 | 2023-02-19 19:34:01 |         MASTER-SAAO | (08h 27m 52.61s , +18d 18m 41.7s) |   C |    60 | 19.0 |        
  168548 | 2023-02-19 19:38:21 |         MASTER-SAAO | (08h 14m 14.25s , +16d 23m 47.9s) |   C |    60 | 18.8 |        
  168548 | 2023-02-19 19:38:21 |         MASTER-SAAO | (08h 15m 08.90s , +16d 23m 47.2s) |   C |    60 | 19.1 |        
  169334 | 2023-02-19 19:51:27 |         MASTER-SAAO | (08h 26m 59.94s , +18d 17m 28.2s) |   C |    60 | 18.5 |        
  169334 | 2023-02-19 19:51:27 |         MASTER-SAAO | (08h 27m 54.90s , +18d 17m 23.6s) |   C |    60 | 18.7 |        
  169597 | 2023-02-19 19:55:50 |         MASTER-SAAO | (08h 14m 17.85s , +16d 24m 31.4s) |   C |    60 | 18.4 |        
  169597 | 2023-02-19 19:55:50 |         MASTER-SAAO | (08h 15m 12.59s , +16d 24m 29.3s) |   C |    60 | 18.7 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 7828
TYPE = 35
DAYS = 2


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) started inspect of the ICECUBE Alert 230217.87 (trigger No 22129736,08h 17m 40.32s , +18d 54m 54.0s, R=1.02) errorbox  77449 sec after notice time and 77512 sec after trigger time at 2023-02-18 18:21:35 UT, with upper limit up to  19.3 mag. Observations started at twilight.  The observations began at zenith distance = 64 deg. The sun  altitude  is -12.0 deg. 

The galactic latitude b = 28 deg., longitude l = 205 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2199829

We obtain a following upper limits.  

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

   77602 | 2023-02-18 18:21:35 |         MASTER-SAAO | (08h 17m 49.59s , +18d 54m 32.4s) |   C |   180 | 16.0 |        
   77602 | 2023-02-18 18:21:35 |         MASTER-SAAO | (08h 16m 55.92s , +18d 54m 29.9s) |   C |   180 | 16.3 |        
   77742 | 2023-02-18 18:24:55 |         MASTER-SAAO | (08h 12m 09.45s , +18d 17m 48.1s) |   C |    60 | 17.4 |        
   77742 | 2023-02-18 18:24:55 |         MASTER-SAAO | (08h 11m 15.74s , +18d 17m 44.3s) |   C |    60 | 17.5 |        
   77821 | 2023-02-18 18:26:14 |         MASTER-SAAO | (08h 20m 37.84s , +18d 17m 11.9s) |   C |    60 | 17.5 |        
   77821 | 2023-02-18 18:26:14 |         MASTER-SAAO | (08h 19m 44.12s , +18d 17m 07.9s) |   C |    60 | 17.4 |        
   77913 | 2023-02-18 18:27:46 |         MASTER-SAAO | (08h 17m 56.08s , +20d 11m 08.4s) |   C |    60 | 17.5 |        
   77913 | 2023-02-18 18:27:46 |         MASTER-SAAO | (08h 17m 01.71s , +20d 11m 03.7s) |   C |    60 | 17.6 |        
   78023 | 2023-02-18 18:29:36 |         MASTER-SAAO | (08h 24m 57.54s , +20d 06m 53.9s) |   C |    60 | 18.2 |        
   78023 | 2023-02-18 18:29:36 |         MASTER-SAAO | (08h 24m 02.88s , +20d 07m 20.1s) |   C |    60 | 18.2 |        
   78743 | 2023-02-18 18:40:36 |         MASTER-SAAO | (08h 16m 36.10s , +18d 53m 06.9s) |   C |   180 | 18.1 |        
   78743 | 2023-02-18 18:40:36 |         MASTER-SAAO | (08h 17m 30.27s , +18d 53m 07.8s) |   C |   180 | 18.4 |        
   78895 | 2023-02-18 18:44:08 |         MASTER-SAAO | (08h 11m 04.95s , +18d 16m 28.2s) |   C |    60 | 18.7 |        
   78895 | 2023-02-18 18:44:08 |         MASTER-SAAO | (08h 11m 59.13s , +18d 16m 30.9s) |   C |    60 | 18.8 |        
   78986 | 2023-02-18 18:45:39 |         MASTER-SAAO | (08h 20m 24.09s , +18d 18m 19.8s) |   C |    60 | 18.6 |        
   78986 | 2023-02-18 18:45:39 |         MASTER-SAAO | (08h 19m 29.90s , +18d 18m 16.9s) |   C |    60 | 18.5 |        
   79077 | 2023-02-18 18:47:10 |         MASTER-SAAO | (08h 16m 45.86s , +20d 10m 27.2s) |   C |    60 | 18.6 |        
   79077 | 2023-02-18 18:47:10 |         MASTER-SAAO | (08h 17m 40.64s , +20d 10m 30.9s) |   C |    60 | 18.9 |        
   79157 | 2023-02-18 18:48:30 |         MASTER-SAAO | (08h 26m 18.56s , +20d 12m 26.9s) |   C |    60 | 18.6 |        
   79157 | 2023-02-18 18:48:30 |         MASTER-SAAO | (08h 25m 23.80s , +20d 12m 23.2s) |   C |    60 | 18.5 |        
   80164 | 2023-02-18 19:04:17 |         MASTER-SAAO | (08h 16m 39.96s , +18d 53m 16.0s) |   C |   180 | 19.2 |        
   80164 | 2023-02-18 19:04:17 |         MASTER-SAAO | (08h 17m 34.60s , +18d 53m 13.5s) |   C |   180 | 19.3 |        
   80315 | 2023-02-18 19:07:48 |         MASTER-SAAO | (08h 11m 57.88s , +18d 18m 14.6s) |   C |    60 | 19.0 |        
   80315 | 2023-02-18 19:07:48 |         MASTER-SAAO | (08h 11m 03.32s , +18d 18m 15.8s) |   C |    60 | 18.8 |        
   80395 | 2023-02-18 19:09:08 |         MASTER-SAAO | (08h 19m 28.58s , +18d 16m 48.3s) |   C |    60 | 18.8 |        
   80395 | 2023-02-18 19:09:08 |         MASTER-SAAO | (08h 20m 23.11s , +18d 16m 47.1s) |   C |    60 | 19.1 |        
   80486 | 2023-02-18 19:10:39 |         MASTER-SAAO | (08h 17m 45.92s , +20d 12m 19.7s) |   C |    60 | 19.0 |        
   80486 | 2023-02-18 19:10:39 |         MASTER-SAAO | (08h 16m 50.80s , +20d 12m 19.9s) |   C |    60 | 18.7 |        
   80566 | 2023-02-18 19:11:59 |         MASTER-SAAO | (08h 25m 15.39s , +20d 11m 36.3s) |   C |    60 | 18.8 |        
   80566 | 2023-02-18 19:11:59 |         MASTER-SAAO | (08h 26m 10.50s , +20d 11m 36.1s) |   C |    60 | 19.0 |        
  163139 | 2023-02-19 18:07:12 |         MASTER-SAAO | (08h 16m 35.35s , +20d 41m 20.0s) |   C |   180 | 17.0 |        
  163139 | 2023-02-19 18:07:12 |         MASTER-SAAO | (08h 15m 42.02s , +20d 41m 46.5s) |   C |   180 | 16.4 |        
  163479 | 2023-02-19 18:12:52 |         MASTER-SAAO | (08h 16m 41.15s , +20d 39m 25.7s) |   C |   180 | 17.8 |        
  163479 | 2023-02-19 18:12:52 |         MASTER-SAAO | (08h 15m 47.37s , +20d 39m 50.9s) |   C |   180 | 17.3 |        
  163832 | 2023-02-19 18:19:45 |         MASTER-SAAO | (08h 09m 03.18s , +20d 10m 42.8s) |   C |    60 | 17.4 |        
  163832 | 2023-02-19 18:19:45 |         MASTER-SAAO | (08h 09m 57.60s , +20d 10m 52.8s) |   C |    60 | 17.4 |        
  164397 | 2023-02-19 18:29:10 |         MASTER-SAAO | (08h 16m 41.58s , +20d 12m 00.8s) |   C |    60 | 18.0 |        
  164397 | 2023-02-19 18:29:10 |         MASTER-SAAO | (08h 17m 36.56s , +20d 12m 09.9s) |   C |    60 | 18.1 |        
  164547 | 2023-02-19 18:30:40 |         MASTER-SAAO | (08h 17m 05.20s , +20d 43m 27.8s) |   C |   180 | 17.5 |        
  164547 | 2023-02-19 18:30:40 |         MASTER-SAAO | (08h 18m 00.45s , +20d 43m 37.1s) |   C |   180 | 17.6 |        
  164699 | 2023-02-19 18:34:12 |         MASTER-SAAO | (08h 25m 16.12s , +20d 10m 16.3s) |   C |    60 | 18.1 |        
  164699 | 2023-02-19 18:34:12 |         MASTER-SAAO | (08h 26m 11.23s , +20d 10m 25.6s) |   C |    60 | 18.2 |        
  164963 | 2023-02-19 18:38:36 |         MASTER-SAAO | (08h 08m 56.87s , +20d 10m 00.3s) |   C |    60 | 18.6 |        
  164963 | 2023-02-19 18:38:36 |         MASTER-SAAO | (08h 09m 52.24s , +20d 10m 10.0s) |   C |    60 | 19.0 |        
  165475 | 2023-02-19 18:47:08 |         MASTER-SAAO | (08h 16m 39.39s , +20d 10m 21.7s) |   C |    60 | 18.7 |        
  165475 | 2023-02-19 18:47:08 |         MASTER-SAAO | (08h 17m 34.86s , +20d 10m 31.0s) |   C |    60 | 18.9 |        
  165567 | 2023-02-19 18:48:40 |         MASTER-SAAO | (08h 10m 53.88s , +18d 16m 16.9s) |   C |    60 | 18.7 |        
  165567 | 2023-02-19 18:48:40 |         MASTER-SAAO | (08h 11m 48.87s , +18d 16m 26.1s) |   C |    60 | 19.0 |        
  165657 | 2023-02-19 18:50:10 |         MASTER-SAAO | (08h 19m 21.95s , +18d 17m 52.8s) |   C |    60 | 18.7 |        
  165657 | 2023-02-19 18:50:10 |         MASTER-SAAO | (08h 20m 16.94s , +18d 18m 01.8s) |   C |    60 | 18.9 |        
  165737 | 2023-02-19 18:51:30 |         MASTER-SAAO | (08h 25m 05.72s , +20d 11m 26.5s) |   C |    60 | 18.6 |        
  165737 | 2023-02-19 18:51:30 |         MASTER-SAAO | (08h 26m 01.23s , +20d 11m 35.7s) |   C |    60 | 19.0 |        
  166445 | 2023-02-19 19:03:17 |         MASTER-SAAO | (08h 08m 56.75s , +20d 11m 49.5s) |   C |    60 | 18.7 |        
  166445 | 2023-02-19 19:03:17 |         MASTER-SAAO | (08h 09m 52.40s , +20d 11m 47.7s) |   C |    60 | 18.9 |        
  166877 | 2023-02-19 19:10:30 |         MASTER-SAAO | (08h 16m 41.19s , +20d 11m 32.1s) |   C |    60 | 18.7 |        
  166877 | 2023-02-19 19:10:30 |         MASTER-SAAO | (08h 17m 36.79s , +20d 11m 31.8s) |   C |    60 | 19.0 |        
  166957 | 2023-02-19 19:11:50 |         MASTER-SAAO | (08h 10m 50.51s , +18d 16m 26.3s) |   C |    60 | 18.6 |        
  166957 | 2023-02-19 19:11:50 |         MASTER-SAAO | (08h 11m 45.60s , +18d 16m 25.8s) |   C |    60 | 18.9 |        
  167048 | 2023-02-19 19:13:21 |         MASTER-SAAO | (08h 19m 21.89s , +18d 17m 07.1s) |   C |    60 | 18.8 |        
  167048 | 2023-02-19 19:13:21 |         MASTER-SAAO | (08h 20m 16.96s , +18d 17m 06.4s) |   C |    60 | 19.0 |        
  167127 | 2023-02-19 19:14:40 |         MASTER-SAAO | (08h 25m 09.33s , +20d 12m 19.5s) |   C |    60 | 18.8 |        
  167127 | 2023-02-19 19:14:40 |         MASTER-SAAO | (08h 26m 04.94s , +20d 12m 19.3s) |   C |    60 | 19.1 |        
  167219 | 2023-02-19 19:16:12 |         MASTER-SAAO | (08h 26m 57.02s , +18d 18m 25.4s) |   C |    60 | 18.7 |        
  167219 | 2023-02-19 19:16:12 |         MASTER-SAAO | (08h 27m 52.12s , +18d 18m 25.1s) |   C |    60 | 19.0 |        
  167482 | 2023-02-19 19:20:35 |         MASTER-SAAO | (08h 14m 06.80s , +16d 22m 35.5s) |   C |    60 | 18.9 |        
  167482 | 2023-02-19 19:20:35 |         MASTER-SAAO | (08h 15m 01.59s , +16d 22m 35.0s) |   C |    60 | 19.1 |        
  167930 | 2023-02-19 19:28:03 |         MASTER-SAAO | (08h 10m 57.50s , +18d 17m 38.9s) |   C |    60 | 18.8 |        
  167930 | 2023-02-19 19:28:03 |         MASTER-SAAO | (08h 11m 52.37s , +18d 17m 36.9s) |   C |    60 | 19.0 |        
  168010 | 2023-02-19 19:29:23 |         MASTER-SAAO | (08h 19m 16.53s , +18d 16m 48.2s) |   C |    60 | 18.7 |        
  168010 | 2023-02-19 19:29:23 |         MASTER-SAAO | (08h 20m 11.45s , +18d 16m 46.6s) |   C |    60 | 19.0 |        
  168288 | 2023-02-19 19:34:01 |         MASTER-SAAO | (08h 26m 57.70s , +18d 18m 44.0s) |   C |    60 | 18.9 |        
  168288 | 2023-02-19 19:34:01 |         MASTER-SAAO | (08h 27m 52.61s , +18d 18m 41.7s) |   C |    60 | 19.0 |        
  168548 | 2023-02-19 19:38:21 |         MASTER-SAAO | (08h 14m 14.25s , +16d 23m 47.9s) |   C |    60 | 18.8 |        
  168548 | 2023-02-19 19:38:21 |         MASTER-SAAO | (08h 15m 08.90s , +16d 23m 47.2s) |   C |    60 | 19.1 |        
  169334 | 2023-02-19 19:51:27 |         MASTER-SAAO | (08h 26m 59.94s , +18d 17m 28.2s) |   C |    60 | 18.5 |        
  169334 | 2023-02-19 19:51:27 |         MASTER-SAAO | (08h 27m 54.90s , +18d 17m 23.6s) |   C |    60 | 18.7 |        
  169597 | 2023-02-19 19:55:50 |         MASTER-SAAO | (08h 14m 17.85s , +16d 24m 31.4s) |   C |    60 | 18.4 |        
  169597 | 2023-02-19 19:55:50 |         MASTER-SAAO | (08h 15m 12.59s , +16d 24m 29.3s) |   C |    60 | 18.7 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 7826
TYPE = 35
DAYS = 1


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) started inspect of the ICECUBE Alert 230217.87 (trigger No 22129736,08h 17m 40.32s , +18d 54m 54.0s, R=1.02) errorbox  77449 sec after notice time and 77512 sec after trigger time at 2023-02-18 18:21:35 UT, with upper limit up to  19.3 mag. Observations started at twilight.  The observations began at zenith distance = 64 deg. The sun  altitude  is -12.0 deg. 

The galactic latitude b = 28 deg., longitude l = 205 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2199829

We obtain a following upper limits.  

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

   77602 | 2023-02-18 18:21:35 |         MASTER-SAAO | (08h 17m 49.59s , +18d 54m 32.4s) |   C |   180 | 16.0 |        
   77602 | 2023-02-18 18:21:35 |         MASTER-SAAO | (08h 16m 55.92s , +18d 54m 29.9s) |   C |   180 | 16.3 |        
   77742 | 2023-02-18 18:24:55 |         MASTER-SAAO | (08h 12m 09.45s , +18d 17m 48.1s) |   C |    60 | 17.4 |        
   77742 | 2023-02-18 18:24:55 |         MASTER-SAAO | (08h 11m 15.74s , +18d 17m 44.3s) |   C |    60 | 17.5 |        
   77821 | 2023-02-18 18:26:14 |         MASTER-SAAO | (08h 20m 37.84s , +18d 17m 11.9s) |   C |    60 | 17.5 |        
   77821 | 2023-02-18 18:26:14 |         MASTER-SAAO | (08h 19m 44.12s , +18d 17m 07.9s) |   C |    60 | 17.4 |        
   77913 | 2023-02-18 18:27:46 |         MASTER-SAAO | (08h 17m 56.08s , +20d 11m 08.4s) |   C |    60 | 17.5 |        
   77913 | 2023-02-18 18:27:46 |         MASTER-SAAO | (08h 17m 01.71s , +20d 11m 03.7s) |   C |    60 | 17.6 |        
   78023 | 2023-02-18 18:29:36 |         MASTER-SAAO | (08h 24m 57.54s , +20d 06m 53.9s) |   C |    60 | 18.2 |        
   78023 | 2023-02-18 18:29:36 |         MASTER-SAAO | (08h 24m 02.88s , +20d 07m 20.1s) |   C |    60 | 18.2 |        
   78743 | 2023-02-18 18:40:36 |         MASTER-SAAO | (08h 16m 36.10s , +18d 53m 06.9s) |   C |   180 | 18.1 |        
   78743 | 2023-02-18 18:40:36 |         MASTER-SAAO | (08h 17m 30.27s , +18d 53m 07.8s) |   C |   180 | 18.4 |        
   78895 | 2023-02-18 18:44:08 |         MASTER-SAAO | (08h 11m 04.95s , +18d 16m 28.2s) |   C |    60 | 18.7 |        
   78895 | 2023-02-18 18:44:08 |         MASTER-SAAO | (08h 11m 59.13s , +18d 16m 30.9s) |   C |    60 | 18.8 |        
   78986 | 2023-02-18 18:45:39 |         MASTER-SAAO | (08h 20m 24.09s , +18d 18m 19.8s) |   C |    60 | 18.6 |        
   78986 | 2023-02-18 18:45:39 |         MASTER-SAAO | (08h 19m 29.90s , +18d 18m 16.9s) |   C |    60 | 18.5 |        
   79077 | 2023-02-18 18:47:10 |         MASTER-SAAO | (08h 16m 45.86s , +20d 10m 27.2s) |   C |    60 | 18.6 |        
   79077 | 2023-02-18 18:47:10 |         MASTER-SAAO | (08h 17m 40.64s , +20d 10m 30.9s) |   C |    60 | 18.9 |        
   79157 | 2023-02-18 18:48:30 |         MASTER-SAAO | (08h 26m 18.56s , +20d 12m 26.9s) |   C |    60 | 18.6 |        
   79157 | 2023-02-18 18:48:30 |         MASTER-SAAO | (08h 25m 23.80s , +20d 12m 23.2s) |   C |    60 | 18.5 |        
   80164 | 2023-02-18 19:04:17 |         MASTER-SAAO | (08h 16m 39.96s , +18d 53m 16.0s) |   C |   180 | 19.2 |        
   80164 | 2023-02-18 19:04:17 |         MASTER-SAAO | (08h 17m 34.60s , +18d 53m 13.5s) |   C |   180 | 19.3 |        
   80315 | 2023-02-18 19:07:48 |         MASTER-SAAO | (08h 11m 57.88s , +18d 18m 14.6s) |   C |    60 | 19.0 |        
   80315 | 2023-02-18 19:07:48 |         MASTER-SAAO | (08h 11m 03.32s , +18d 18m 15.8s) |   C |    60 | 18.8 |        
   80395 | 2023-02-18 19:09:08 |         MASTER-SAAO | (08h 19m 28.58s , +18d 16m 48.3s) |   C |    60 | 18.8 |        
   80395 | 2023-02-18 19:09:08 |         MASTER-SAAO | (08h 20m 23.11s , +18d 16m 47.1s) |   C |    60 | 19.1 |        
   80486 | 2023-02-18 19:10:39 |         MASTER-SAAO | (08h 17m 45.92s , +20d 12m 19.7s) |   C |    60 | 19.0 |        
   80486 | 2023-02-18 19:10:39 |         MASTER-SAAO | (08h 16m 50.80s , +20d 12m 19.9s) |   C |    60 | 18.7 |        
   80566 | 2023-02-18 19:11:59 |         MASTER-SAAO | (08h 25m 15.39s , +20d 11m 36.3s) |   C |    60 | 18.8 |        
   80566 | 2023-02-18 19:11:59 |         MASTER-SAAO | (08h 26m 10.50s , +20d 11m 36.1s) |   C |    60 | 19.0 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 7822
TYPE = 35
DAYS = 0


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) started inspect of the ICECUBE Alert 230217.87 (trigger No 22129736,08h 17m 40.32s , +18d 54m 54.0s, R=1.02) errorbox  77449 sec after notice time and 77512 sec after trigger time at 2023-02-18 18:21:35 UT, with upper limit up to  19.3 mag. Observations started at twilight.  The observations began at zenith distance = 64 deg. The sun  altitude  is -12.0 deg. 

The galactic latitude b = 28 deg., longitude l = 205 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2199826

We obtain a following upper limits.  

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

   77602 | 2023-02-18 18:21:35 |         MASTER-SAAO | (08h 17m 49.59s , +18d 54m 32.4s) |   C |   180 | 16.0 |        
   77602 | 2023-02-18 18:21:35 |         MASTER-SAAO | (08h 16m 55.92s , +18d 54m 29.9s) |   C |   180 | 16.3 |        
   77742 | 2023-02-18 18:24:55 |         MASTER-SAAO | (08h 12m 09.45s , +18d 17m 48.1s) |   C |    60 | 17.4 |        
   77742 | 2023-02-18 18:24:55 |         MASTER-SAAO | (08h 11m 15.74s , +18d 17m 44.3s) |   C |    60 | 17.5 |        
   77821 | 2023-02-18 18:26:14 |         MASTER-SAAO | (08h 20m 37.84s , +18d 17m 11.9s) |   C |    60 | 17.5 |        
   77821 | 2023-02-18 18:26:14 |         MASTER-SAAO | (08h 19m 44.12s , +18d 17m 07.9s) |   C |    60 | 17.4 |        
   77913 | 2023-02-18 18:27:46 |         MASTER-SAAO | (08h 17m 56.08s , +20d 11m 08.4s) |   C |    60 | 17.5 |        
   77913 | 2023-02-18 18:27:46 |         MASTER-SAAO | (08h 17m 01.71s , +20d 11m 03.7s) |   C |    60 | 17.6 |        
   78023 | 2023-02-18 18:29:36 |         MASTER-SAAO | (08h 24m 57.54s , +20d 06m 53.9s) |   C |    60 | 18.2 |        
   78023 | 2023-02-18 18:29:36 |         MASTER-SAAO | (08h 24m 02.88s , +20d 07m 20.1s) |   C |    60 | 18.2 |        
   78743 | 2023-02-18 18:40:36 |         MASTER-SAAO | (08h 16m 36.10s , +18d 53m 06.9s) |   C |   180 | 18.1 |        
   78743 | 2023-02-18 18:40:36 |         MASTER-SAAO | (08h 17m 30.27s , +18d 53m 07.8s) |   C |   180 | 18.4 |        
   78895 | 2023-02-18 18:44:08 |         MASTER-SAAO | (08h 11m 04.95s , +18d 16m 28.2s) |   C |    60 | 18.7 |        
   78895 | 2023-02-18 18:44:08 |         MASTER-SAAO | (08h 11m 59.13s , +18d 16m 30.9s) |   C |    60 | 18.8 |        
   78986 | 2023-02-18 18:45:39 |         MASTER-SAAO | (08h 20m 24.09s , +18d 18m 19.8s) |   C |    60 | 18.6 |        
   78986 | 2023-02-18 18:45:39 |         MASTER-SAAO | (08h 19m 29.90s , +18d 18m 16.9s) |   C |    60 | 18.5 |        
   79077 | 2023-02-18 18:47:10 |         MASTER-SAAO | (08h 16m 45.86s , +20d 10m 27.2s) |   C |    60 | 18.6 |        
   79077 | 2023-02-18 18:47:10 |         MASTER-SAAO | (08h 17m 40.64s , +20d 10m 30.9s) |   C |    60 | 18.9 |        
   79157 | 2023-02-18 18:48:30 |         MASTER-SAAO | (08h 25m 23.80s , +20d 12m 23.2s) |   C |    60 | 18.5 |        
   79157 | 2023-02-18 18:48:30 |         MASTER-SAAO | (08h 26m 18.56s , +20d 12m 26.9s) |   C |    60 | 18.6 |        
   80164 | 2023-02-18 19:04:17 |         MASTER-SAAO | (08h 16m 39.96s , +18d 53m 16.0s) |   C |   180 | 19.2 |        
   80164 | 2023-02-18 19:04:17 |         MASTER-SAAO | (08h 17m 34.60s , +18d 53m 13.5s) |   C |   180 | 19.3 |        
   80315 | 2023-02-18 19:07:48 |         MASTER-SAAO | (08h 11m 57.88s , +18d 18m 14.6s) |   C |    60 | 19.0 |        
   80315 | 2023-02-18 19:07:48 |         MASTER-SAAO | (08h 11m 03.32s , +18d 18m 15.8s) |   C |    60 | 18.8 |        
   80395 | 2023-02-18 19:09:08 |         MASTER-SAAO | (08h 19m 28.58s , +18d 16m 48.3s) |   C |    60 | 18.8 |        
   80395 | 2023-02-18 19:09:08 |         MASTER-SAAO | (08h 20m 23.11s , +18d 16m 47.1s) |   C |    60 | 19.1 |        
   80486 | 2023-02-18 19:10:39 |         MASTER-SAAO | (08h 17m 45.92s , +20d 12m 19.7s) |   C |    60 | 19.0 |        
   80486 | 2023-02-18 19:10:39 |         MASTER-SAAO | (08h 16m 50.80s , +20d 12m 19.9s) |   C |    60 | 18.7 |        
   80566 | 2023-02-18 19:11:59 |         MASTER-SAAO | (08h 25m 15.39s , +20d 11m 36.3s) |   C |    60 | 18.8 |        
   80566 | 2023-02-18 19:11:59 |         MASTER-SAAO | (08h 26m 10.50s , +20d 11m 36.1s) |   C |    60 | 19.0 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 7821
TYPE = 35
DAYS = 0


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) started inspect of the ICECUBE Alert 230217.87 (trigger No 22129736,08h 17m 40.32s , +18d 54m 54.0s, R=1.02) errorbox  77449 sec after notice time and 77512 sec after trigger time at 2023-02-18 18:21:35 UT, with upper limit up to  19.3 mag. Observations started at twilight.  The observations began at zenith distance = 64 deg. The sun  altitude  is -12.0 deg. 

The galactic latitude b = 28 deg., longitude l = 205 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2199826

We obtain a following upper limits.  

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

   77602 | 2023-02-18 18:21:35 |         MASTER-SAAO | (08h 17m 49.59s , +18d 54m 32.4s) |   C |   180 | 16.0 |        
   77602 | 2023-02-18 18:21:35 |         MASTER-SAAO | (08h 16m 55.92s , +18d 54m 29.9s) |   C |   180 | 16.3 |        
   77742 | 2023-02-18 18:24:55 |         MASTER-SAAO | (08h 12m 09.45s , +18d 17m 48.1s) |   C |    60 | 17.4 |        
   77742 | 2023-02-18 18:24:55 |         MASTER-SAAO | (08h 11m 15.74s , +18d 17m 44.3s) |   C |    60 | 17.5 |        
   77821 | 2023-02-18 18:26:14 |         MASTER-SAAO | (08h 20m 37.84s , +18d 17m 11.9s) |   C |    60 | 17.5 |        
   77821 | 2023-02-18 18:26:14 |         MASTER-SAAO | (08h 19m 44.12s , +18d 17m 07.9s) |   C |    60 | 17.4 |        
   77913 | 2023-02-18 18:27:46 |         MASTER-SAAO | (08h 17m 56.08s , +20d 11m 08.4s) |   C |    60 | 17.5 |        
   77913 | 2023-02-18 18:27:46 |         MASTER-SAAO | (08h 17m 01.71s , +20d 11m 03.7s) |   C |    60 | 17.6 |        
   78023 | 2023-02-18 18:29:36 |         MASTER-SAAO | (08h 24m 57.54s , +20d 06m 53.9s) |   C |    60 | 18.2 |        
   78023 | 2023-02-18 18:29:36 |         MASTER-SAAO | (08h 24m 02.88s , +20d 07m 20.1s) |   C |    60 | 18.2 |        
   78743 | 2023-02-18 18:40:36 |         MASTER-SAAO | (08h 16m 36.10s , +18d 53m 06.9s) |   C |   180 | 18.1 |        
   78743 | 2023-02-18 18:40:36 |         MASTER-SAAO | (08h 17m 30.27s , +18d 53m 07.8s) |   C |   180 | 18.4 |        
   78895 | 2023-02-18 18:44:08 |         MASTER-SAAO | (08h 11m 04.95s , +18d 16m 28.2s) |   C |    60 | 18.7 |        
   78895 | 2023-02-18 18:44:08 |         MASTER-SAAO | (08h 11m 59.13s , +18d 16m 30.9s) |   C |    60 | 18.8 |        
   78986 | 2023-02-18 18:45:39 |         MASTER-SAAO | (08h 20m 24.09s , +18d 18m 19.8s) |   C |    60 | 18.6 |        
   78986 | 2023-02-18 18:45:39 |         MASTER-SAAO | (08h 19m 29.90s , +18d 18m 16.9s) |   C |    60 | 18.5 |        
   79077 | 2023-02-18 18:47:10 |         MASTER-SAAO | (08h 16m 45.86s , +20d 10m 27.2s) |   C |    60 | 18.6 |        
   79077 | 2023-02-18 18:47:10 |         MASTER-SAAO | (08h 17m 40.64s , +20d 10m 30.9s) |   C |    60 | 18.9 |        
   79157 | 2023-02-18 18:48:30 |         MASTER-SAAO | (08h 25m 23.80s , +20d 12m 23.2s) |   C |    60 | 18.5 |        
   79157 | 2023-02-18 18:48:30 |         MASTER-SAAO | (08h 26m 18.56s , +20d 12m 26.9s) |   C |    60 | 18.6 |        
   80164 | 2023-02-18 19:04:17 |         MASTER-SAAO | (08h 16m 39.96s , +18d 53m 16.0s) |   C |   180 | 19.2 |        
   80164 | 2023-02-18 19:04:17 |         MASTER-SAAO | (08h 17m 34.60s , +18d 53m 13.5s) |   C |   180 | 19.3 |        
   80315 | 2023-02-18 19:07:48 |         MASTER-SAAO | (08h 11m 57.88s , +18d 18m 14.6s) |   C |    60 | 19.0 |        
   80315 | 2023-02-18 19:07:48 |         MASTER-SAAO | (08h 11m 03.32s , +18d 18m 15.8s) |   C |    60 | 18.8 |        
   80395 | 2023-02-18 19:09:08 |         MASTER-SAAO | (08h 19m 28.58s , +18d 16m 48.3s) |   C |    60 | 18.8 |        
   80395 | 2023-02-18 19:09:08 |         MASTER-SAAO | (08h 20m 23.11s , +18d 16m 47.1s) |   C |    60 | 19.1 |        
   80486 | 2023-02-18 19:10:39 |         MASTER-SAAO | (08h 17m 45.92s , +20d 12m 19.7s) |   C |    60 | 19.0 |        
   80486 | 2023-02-18 19:10:39 |         MASTER-SAAO | (08h 16m 50.80s , +20d 12m 19.9s) |   C |    60 | 18.7 |        
   80566 | 2023-02-18 19:11:59 |         MASTER-SAAO | (08h 25m 15.39s , +20d 11m 36.3s) |   C |    60 | 18.8 |        
   80566 | 2023-02-18 19:11:59 |         MASTER-SAAO | (08h 26m 10.50s , +20d 11m 36.1s) |   C |    60 | 19.0 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 7820
TYPE = 34
DAYS = 0


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) started inspect of the ICECUBE Alert 230217.87 (trigger No 22129736,08h 17m 40.32s , +18d 54m 54.0s, R=1.02) errorbox  77449 sec after notice time and 77512 sec after trigger time at 2023-02-18 18:21:35 UT, with upper limit up to  19.3 mag. Observations started at twilight.  The observations began at zenith distance = 64 deg. The sun  altitude  is -12.0 deg. 

The galactic latitude b = 28 deg., longitude l = 205 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2199826

We obtain a following upper limits.  

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

   77602 | 2023-02-18 18:21:35 |         MASTER-SAAO | (08h 17m 49.59s , +18d 54m 32.4s) |   C |   180 | 16.0 |        
   77602 | 2023-02-18 18:21:35 |         MASTER-SAAO | (08h 16m 55.92s , +18d 54m 29.9s) |   C |   180 | 16.3 |        
   77742 | 2023-02-18 18:24:55 |         MASTER-SAAO | (08h 12m 09.45s , +18d 17m 48.1s) |   C |    60 | 17.4 |        
   77742 | 2023-02-18 18:24:55 |         MASTER-SAAO | (08h 11m 15.74s , +18d 17m 44.3s) |   C |    60 | 17.5 |        
   77821 | 2023-02-18 18:26:14 |         MASTER-SAAO | (08h 20m 37.84s , +18d 17m 11.9s) |   C |    60 | 17.5 |        
   77821 | 2023-02-18 18:26:14 |         MASTER-SAAO | (08h 19m 44.12s , +18d 17m 07.9s) |   C |    60 | 17.4 |        
   77913 | 2023-02-18 18:27:46 |         MASTER-SAAO | (08h 17m 56.08s , +20d 11m 08.4s) |   C |    60 | 17.5 |        
   77913 | 2023-02-18 18:27:46 |         MASTER-SAAO | (08h 17m 01.71s , +20d 11m 03.7s) |   C |    60 | 17.6 |        
   78023 | 2023-02-18 18:29:36 |         MASTER-SAAO | (08h 24m 57.54s , +20d 06m 53.9s) |   C |    60 | 18.2 |        
   78023 | 2023-02-18 18:29:36 |         MASTER-SAAO | (08h 24m 02.88s , +20d 07m 20.1s) |   C |    60 | 18.2 |        
   78743 | 2023-02-18 18:40:36 |         MASTER-SAAO | (08h 16m 36.10s , +18d 53m 06.9s) |   C |   180 | 18.1 |        
   78743 | 2023-02-18 18:40:36 |         MASTER-SAAO | (08h 17m 30.27s , +18d 53m 07.8s) |   C |   180 | 18.4 |        
   78895 | 2023-02-18 18:44:08 |         MASTER-SAAO | (08h 11m 04.95s , +18d 16m 28.2s) |   C |    60 | 18.7 |        
   78895 | 2023-02-18 18:44:08 |         MASTER-SAAO | (08h 11m 59.13s , +18d 16m 30.9s) |   C |    60 | 18.8 |        
   78986 | 2023-02-18 18:45:39 |         MASTER-SAAO | (08h 20m 24.09s , +18d 18m 19.8s) |   C |    60 | 18.6 |        
   78986 | 2023-02-18 18:45:39 |         MASTER-SAAO | (08h 19m 29.90s , +18d 18m 16.9s) |   C |    60 | 18.5 |        
   79077 | 2023-02-18 18:47:10 |         MASTER-SAAO | (08h 16m 45.86s , +20d 10m 27.2s) |   C |    60 | 18.6 |        
   79077 | 2023-02-18 18:47:10 |         MASTER-SAAO | (08h 17m 40.64s , +20d 10m 30.9s) |   C |    60 | 18.9 |        
   79157 | 2023-02-18 18:48:30 |         MASTER-SAAO | (08h 25m 23.80s , +20d 12m 23.2s) |   C |    60 | 18.5 |        
   79157 | 2023-02-18 18:48:30 |         MASTER-SAAO | (08h 26m 18.56s , +20d 12m 26.9s) |   C |    60 | 18.6 |        
   80164 | 2023-02-18 19:04:17 |         MASTER-SAAO | (08h 16m 39.96s , +18d 53m 16.0s) |   C |   180 | 19.2 |        
   80164 | 2023-02-18 19:04:17 |         MASTER-SAAO | (08h 17m 34.60s , +18d 53m 13.5s) |   C |   180 | 19.3 |        
   80315 | 2023-02-18 19:07:48 |         MASTER-SAAO | (08h 11m 57.88s , +18d 18m 14.6s) |   C |    60 | 19.0 |        
   80315 | 2023-02-18 19:07:48 |         MASTER-SAAO | (08h 11m 03.32s , +18d 18m 15.8s) |   C |    60 | 18.8 |        
   80395 | 2023-02-18 19:09:08 |         MASTER-SAAO | (08h 19m 28.58s , +18d 16m 48.3s) |   C |    60 | 18.8 |        
   80395 | 2023-02-18 19:09:08 |         MASTER-SAAO | (08h 20m 23.11s , +18d 16m 47.1s) |   C |    60 | 19.1 |        
   80486 | 2023-02-18 19:10:39 |         MASTER-SAAO | (08h 17m 45.92s , +20d 12m 19.7s) |   C |    60 | 19.0 |        
   80486 | 2023-02-18 19:10:39 |         MASTER-SAAO | (08h 16m 50.80s , +20d 12m 19.9s) |   C |    60 | 18.7 |        
   80566 | 2023-02-18 19:11:59 |         MASTER-SAAO | (08h 25m 15.39s , +20d 11m 36.3s) |   C |    60 | 18.8 |        
   80566 | 2023-02-18 19:11:59 |         MASTER-SAAO | (08h 26m 10.50s , +20d 11m 36.1s) |   C |    60 | 19.0 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025