MASTER Net MASTER Database: GRB230220.89 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 FERMI GRB230220.89
Trignum 698621110
Trigger time 2023-02-20 21:25:05.79
Notice time 2023-02-20 21:26:05.125436
Coord, eb (02h 10m 21.60s , +34d 15m 36.0s) , 7.96
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You are viewing outdated information, relevant error box is here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
2200481 2023-02-20 21:34:27.996947 03h 00m 55.20s +28d 01m 48.0s FERMI 6.98 alert 698621110 62 115 alert
2200473 2023-02-20 21:26:05.125436 02h 10m 21.60s +34d 15m 36.0s FERMI 7.96 alert 698621110 66 112 alert
2200467 2023-02-20 21:25:45.643146 02h 29m 16.08s +41d 49m 01.2s FERMI 15.15 alert 698621110 356 111 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

2023-02-20 21:25:05 (JD 2459996.392419)

Siderial time 9.962838 h

Ra 02:10:21.60 Dec 34:15:36.00
( 32.590000d, 34.260000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -2.19 Azimuth: 201.83

Sun: Altitude: -11.13 Azimuth: 273.69

Moon: Altitude: -17.79 Azimuth: 266.89

Tunka

Object: Altitude: -3.91 Azimuth: 181.91

Sun: Altitude: -26.15 Azimuth: 253.52

Moon: Altitude: -32.29 Azimuth: 245.40

Kislovodsk

Object: Altitude: 4.30 Azimuth: 135.19

Sun: Altitude: -57.14 Azimuth: 181.24

Moon: Altitude: -57.03 Azimuth: 163.96

Tavrida

Object: Altitude: 9.46 Azimuth: 129.66

Sun: Altitude: -55.50 Azimuth: 166.35

Moon: Altitude: -53.75 Azimuth: 150.42

SAAO

Object: Altitude: -25.04 Azimuth: 116.07

Sun: Altitude: -42.29 Azimuth: 28.45

Moon: Altitude: -37.15 Azimuth: 38.65

IAC

Object: Altitude: 36.90 Azimuth: 113.28

Sun: Altitude: -32.91 Azimuth: 95.33

Moon: Altitude: -24.88 Azimuth: 89.80

Argentina

Object: Altitude: 23.28 Azimuth: 171.09

Sun: Altitude: 23.63 Azimuth: 91.64

Moon: Altitude: 32.09 Azimuth: 96.20

Mexico

Object: Altitude: 63.68 Azimuth: 254.64

Sun: Altitude: 40.31 Azimuth: 36.88

Moon: Altitude: 43.82 Azimuth: 25.17

Ural

Object: Altitude: 7.71 Azimuth: 146.66

Sun: Altitude: -41.88 Azimuth: 203.64

Moon: Altitude: -44.20 Azimuth: 191.21

Vostryakovo

Object: Altitude: 14.47 Azimuth: 130.52

Sun: Altitude: -45.40 Azimuth: 174.36

Moon: Altitude: -45.02 Azimuth: 161.06

Gal. latitude: -25.400914 Gal. longitude: 141.543489

Dist. to Sun: 71.787137

Dist. to Moon: 65.618196

Moon coord.: (343.182553 d, -11.667902 d)

Sun coord.: (333.663908 d, -10.890284 d)

Lunar disk: 0.006690

Lunar phase: 170.616529

Lunar bright limb: 273.801978

No SN in this field

2023-02-20 21:26:05 (JD 2459996.393113)

Siderial time 9.979551 h

Ra 02:10:21.60 Dec 34:15:36.00
( 32.590000d, 34.260000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -2.13 Azimuth: 202.03

Sun: Altitude: -10.97 Azimuth: 273.88

Moon: Altitude: -17.64 Azimuth: 267.08

Tunka

Object: Altitude: -3.90 Azimuth: 182.11

Sun: Altitude: -26.00 Azimuth: 253.73

Moon: Altitude: -32.15 Azimuth: 245.62

Kislovodsk

Object: Altitude: 4.17 Azimuth: 135.36

Sun: Altitude: -57.13 Azimuth: 181.69

Moon: Altitude: -57.07 Azimuth: 164.38

Tavrida

Object: Altitude: 9.33 Azimuth: 129.82

Sun: Altitude: -55.54 Azimuth: 166.78

Moon: Altitude: -53.83 Azimuth: 150.79

SAAO

Object: Altitude: -25.23 Azimuth: 115.98

Sun: Altitude: -42.39 Azimuth: 28.14

Moon: Altitude: -37.29 Azimuth: 38.40

IAC

Object: Altitude: 36.69 Azimuth: 113.34

Sun: Altitude: -33.13 Azimuth: 95.46

Moon: Altitude: -25.09 Azimuth: 89.92

Argentina

Object: Altitude: 23.25 Azimuth: 170.87

Sun: Altitude: 23.42 Azimuth: 91.51

Moon: Altitude: 31.89 Azimuth: 96.06

Mexico

Object: Altitude: 63.89 Azimuth: 254.66

Sun: Altitude: 40.18 Azimuth: 37.15

Moon: Altitude: 43.74 Azimuth: 25.47

Ural

Object: Altitude: 7.63 Azimuth: 146.85

Sun: Altitude: -41.82 Azimuth: 203.96

Moon: Altitude: -44.17 Azimuth: 191.54

Vostryakovo

Object: Altitude: 14.36 Azimuth: 130.70

Sun: Altitude: -45.41 Azimuth: 174.71

Moon: Altitude: -45.06 Azimuth: 161.39

Gal. latitude: -25.400914 Gal. longitude: 141.543489

Dist. to Sun: 71.786483

Dist. to Moon: 65.608479

Moon coord.: (343.192173 d, -11.663452 d)

Sun coord.: (333.664574 d, -10.890034 d)

Lunar disk: 0.006702

Lunar phase: 170.608032

Lunar bright limb: 273.771291

No SN in this field

2023-02-20 22:26:05 (JD 2459996.434780)

Siderial time 10.982289 h

Ra 02:10:21.60 Dec 34:15:36.00
( 32.590000d, 34.260000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 2.36 Azimuth: 213.61

Sun: Altitude: -1.53 Azimuth: 285.27

Moon: Altitude: -8.22 Azimuth: 277.96

Tunka

Object: Altitude: -2.56 Azimuth: 194.48

Sun: Altitude: -16.87 Azimuth: 266.18

Moon: Altitude: -23.44 Azimuth: 258.30

Kislovodsk

Object: Altitude: -2.74 Azimuth: 145.68

Sun: Altitude: -54.35 Azimuth: 207.56

Moon: Altitude: -57.25 Azimuth: 190.68

Tavrida

Object: Altitude: 1.74 Azimuth: 139.70

Sun: Altitude: -55.55 Azimuth: 192.97

Moon: Altitude: -56.59 Azimuth: 175.30

SAAO

Object: Altitude: -36.88 Azimuth: 110.95

Sun: Altitude: -46.39 Azimuth: 8.24

Moon: Altitude: -43.68 Azimuth: 21.72

IAC

Object: Altitude: 24.71 Azimuth: 117.13

Sun: Altitude: -46.12 Azimuth: 104.52

Moon: Altitude: -37.67 Azimuth: 97.60

Argentina

Object: Altitude: 19.81 Azimuth: 158.04

Sun: Altitude: 10.69 Azimuth: 83.75

Moon: Altitude: 19.48 Azimuth: 88.44

Mexico

Object: Altitude: 76.28 Azimuth: 252.28

Sun: Altitude: 31.18 Azimuth: 51.56

Moon: Altitude: 37.06 Azimuth: 41.94

Ural

Object: Altitude: 3.89 Azimuth: 158.76

Sun: Altitude: -37.35 Azimuth: 222.22

Moon: Altitude: -41.08 Azimuth: 210.39

Vostryakovo

Object: Altitude: 8.46 Azimuth: 141.85

Sun: Altitude: -44.63 Azimuth: 195.58

Moon: Altitude: -46.01 Azimuth: 181.63

Gal. latitude: -25.400914 Gal. longitude: 141.543489

Dist. to Sun: 71.747232

Dist. to Moon: 65.025883

Moon coord.: (343.768624 d, -11.395962 d)

Sun coord.: (333.704555 d, -10.875048 d)

Lunar disk: 0.007454

Lunar phase: 170.094291

Lunar bright limb: 272.023212

No SN in this field

2025-04-12 04:40:57 (JD 2460777.695104)

Siderial time 20.566545 h

Ra 02:10:21.60 Dec 34:15:36.00
( 32.590000d, 34.260000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 73.40 Azimuth: 16.91

Sun: Altitude: 45.76 Azimuth: 25.76

Moon: Altitude: -40.90 Azimuth: 216.25

Tunka

Object: Altitude: 67.92 Azimuth: 315.35

Sun: Altitude: 46.50 Azimuth: 350.56

Moon: Altitude: -44.74 Azimuth: 183.25

Kislovodsk

Object: Altitude: 30.08 Azimuth: 249.75

Sun: Altitude: 22.44 Azimuth: 279.81

Moon: Altitude: -27.21 Azimuth: 108.28

Tavrida

Object: Altitude: 24.82 Azimuth: 245.49

Sun: Altitude: 16.28 Azimuth: 273.95

Moon: Altitude: -21.07 Azimuth: 102.05

SAAO

Object: Altitude: -25.69 Azimuth: 244.23

Sun: Altitude: -3.62 Azimuth: 262.06

Moon: Altitude: -4.89 Azimuth: 79.01

IAC

Object: Altitude: -16.01 Azimuth: 214.95

Sun: Altitude: -26.24 Azimuth: 242.89

Moon: Altitude: 20.25 Azimuth: 70.27

Argentina

Object: Altitude: -80.43 Azimuth: 107.85

Sun: Altitude: -66.82 Azimuth: 357.37

Moon: Altitude: 63.13 Azimuth: 157.72

Mexico

Object: Altitude: -8.32 Azimuth: 138.77

Sun: Altitude: -34.83 Azimuth: 129.25

Moon: Altitude: 42.02 Azimuth: 316.28

Ural

Object: Altitude: 43.02 Azimuth: 271.37

Sun: Altitude: 28.11 Azimuth: 300.71

Moon: Altitude: -30.19 Azimuth: 130.79

Vostryakovo

Object: Altitude: 30.88 Azimuth: 253.24

Sun: Altitude: 17.39 Azimuth: 280.17

Moon: Altitude: -20.56 Azimuth: 109.13

Gal. latitude: -25.400914 Gal. longitude: 141.543489

Dist. to Sun: 27.922566

Dist. to Moon: 146.226219

Moon coord.: (191.622144 d, -6.586301 d)

Sun coord.: (20.507494 d, 8.640126 d)

Lunar disk: 0.993836

Lunar phase: 9.006328

Lunar bright limb: 283.693337

No SN in this field
Recent coverage and limits telegrams

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

  ID = 7835
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 FERMI GRB 230220B ( Fermi GBM team, GCN 33357) errorbox  74491 sec after notice time and 74524 sec after trigger time at 2023-02-21 18:07:10 UT, with upper limit up to  18.9 mag. Observations started at twilight.  The observations began at zenith distance = 70 deg. The sun  altitude  is -9.8 deg. 

The galactic latitude b = -26 deg., longitude l = 155 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2200479

We obtain a following upper limits.  

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

   74555 | 2023-02-21 18:07:10 |         MASTER-SAAO | (03h 03m 16.78s , +27d 44m 15.6s) |   C |    60 | 13.8 |        
   74688 | 2023-02-21 18:09:23 |         MASTER-SAAO | (03h 12m 13.77s , +27d 45m 15.6s) |   C |    60 | 16.3 |        
   74688 | 2023-02-21 18:09:23 |         MASTER-SAAO | (03h 13m 10.41s , +27d 45m 00.7s) |   C |    60 | 16.2 |        
   74778 | 2023-02-21 18:10:53 |         MASTER-SAAO | (03h 03m 18.99s , +27d 44m 23.4s) |   C |    60 | 16.3 |        
   74778 | 2023-02-21 18:10:53 |         MASTER-SAAO | (03h 04m 15.47s , +27d 44m 08.6s) |   C |    60 | 16.2 |        
   74857 | 2023-02-21 18:12:13 |         MASTER-SAAO | (02h 29m 06.25s , +27d 44m 20.1s) |   C |    60 | 15.4 |        
   74858 | 2023-02-21 18:12:13 |         MASTER-SAAO | (02h 30m 02.34s , +27d 44m 03.8s) |   C |    60 | 15.6 |        
   74948 | 2023-02-21 18:13:44 |         MASTER-SAAO | (02h 38m 02.65s , +27d 45m 45.2s) |   C |    60 | 16.0 |        
   74948 | 2023-02-21 18:13:44 |         MASTER-SAAO | (02h 38m 58.83s , +27d 45m 28.5s) |   C |    60 | 16.2 |        
   75028 | 2023-02-21 18:15:04 |         MASTER-SAAO | (02h 46m 11.46s , +27d 45m 26.4s) |   C |    60 | 16.5 |        
   75028 | 2023-02-21 18:15:04 |         MASTER-SAAO | (02h 47m 07.74s , +27d 45m 09.6s) |   C |    60 | 16.6 |        
   75120 | 2023-02-21 18:16:35 |         MASTER-SAAO | (02h 55m 05.64s , +27d 44m 41.1s) |   C |    60 | 16.9 |        
   75120 | 2023-02-21 18:16:35 |         MASTER-SAAO | (02h 56m 02.04s , +27d 44m 24.1s) |   C |    60 | 16.9 |        
   75211 | 2023-02-21 18:18:06 |         MASTER-SAAO | (03h 00m 15.42s , +25d 50m 37.4s) |   C |    60 | 17.3 |        
   75211 | 2023-02-21 18:18:06 |         MASTER-SAAO | (03h 01m 11.01s , +25d 50m 20.3s) |   C |    60 | 17.4 |        
   75291 | 2023-02-21 18:19:26 |         MASTER-SAAO | (03h 09m 01.02s , +25d 49m 35.2s) |   C |    60 | 17.5 |        
   75291 | 2023-02-21 18:19:26 |         MASTER-SAAO | (03h 09m 56.69s , +25d 49m 18.2s) |   C |    60 | 17.6 |        
   75381 | 2023-02-21 18:20:57 |         MASTER-SAAO | (02h 27m 31.68s , +25d 51m 45.2s) |   C |    60 | 16.8 |        
   75381 | 2023-02-21 18:20:57 |         MASTER-SAAO | (02h 26m 36.42s , +25d 52m 03.5s) |   C |    60 | 16.6 |        
   75461 | 2023-02-21 18:22:16 |         MASTER-SAAO | (02h 35m 26.12s , +25d 50m 31.7s) |   C |    60 | 17.0 |        
   75461 | 2023-02-21 18:22:16 |         MASTER-SAAO | (02h 36m 21.46s , +25d 50m 13.3s) |   C |    60 | 17.3 |        
   75552 | 2023-02-21 18:23:47 |         MASTER-SAAO | (02h 49m 12.43s , +29d 39m 01.5s) |   C |    60 | 17.4 |        
   75552 | 2023-02-21 18:23:47 |         MASTER-SAAO | (02h 50m 09.66s , +29d 38m 42.6s) |   C |    60 | 17.6 |        
   75631 | 2023-02-21 18:25:07 |         MASTER-SAAO | (02h 58m 22.85s , +29d 39m 58.7s) |   C |    60 | 17.6 |        
   75631 | 2023-02-21 18:25:07 |         MASTER-SAAO | (02h 59m 20.21s , +29d 39m 39.5s) |   C |    60 | 17.9 |        
   75723 | 2023-02-21 18:26:38 |         MASTER-SAAO | (03h 12m 20.15s , +27d 44m 50.0s) |   C |    60 | 18.0 |        
   75723 | 2023-02-21 18:26:38 |         MASTER-SAAO | (03h 13m 16.70s , +27d 44m 31.3s) |   C |    60 | 18.3 |        
   75814 | 2023-02-21 18:28:10 |         MASTER-SAAO | (03h 03m 13.71s , +27d 43m 58.0s) |   C |    60 | 17.9 |        
   75814 | 2023-02-21 18:28:10 |         MASTER-SAAO | (03h 04m 10.19s , +27d 43m 39.3s) |   C |    60 | 18.2 |        
   75894 | 2023-02-21 18:29:30 |         MASTER-SAAO | (02h 29m 15.19s , +27d 44m 41.7s) |   C |    60 | 17.0 |        
   75894 | 2023-02-21 18:29:30 |         MASTER-SAAO | (02h 30m 11.26s , +27d 44m 21.6s) |   C |    60 | 17.5 |        
   75985 | 2023-02-21 18:31:01 |         MASTER-SAAO | (02h 38m 09.84s , +27d 45m 57.8s) |   C |    60 | 17.4 |        
   75985 | 2023-02-21 18:31:01 |         MASTER-SAAO | (02h 39m 05.99s , +27d 45m 37.9s) |   C |    60 | 17.8 |        
   76065 | 2023-02-21 18:32:20 |         MASTER-SAAO | (02h 46m 14.42s , +27d 44m 47.4s) |   C |    60 | 17.6 |        
   76065 | 2023-02-21 18:32:20 |         MASTER-SAAO | (02h 47m 10.66s , +27d 44m 27.6s) |   C |    60 | 18.2 |        
   76156 | 2023-02-21 18:33:51 |         MASTER-SAAO | (02h 55m 16.76s , +27d 46m 11.1s) |   C |    60 | 17.8 |        
   76156 | 2023-02-21 18:33:51 |         MASTER-SAAO | (02h 56m 13.11s , +27d 45m 51.2s) |   C |    60 | 18.4 |        
   76236 | 2023-02-21 18:35:11 |         MASTER-SAAO | (03h 00m 12.48s , +25d 51m 11.7s) |   C |    60 | 18.2 |        
   76236 | 2023-02-21 18:35:11 |         MASTER-SAAO | (03h 01m 08.05s , +25d 50m 52.2s) |   C |    60 | 18.7 |        
   76327 | 2023-02-21 18:36:42 |         MASTER-SAAO | (03h 09m 02.98s , +25d 52m 10.3s) |   C |    60 | 18.3 |        
   76327 | 2023-02-21 18:36:42 |         MASTER-SAAO | (03h 09m 58.64s , +25d 51m 50.8s) |   C |    60 | 18.6 |        
   76429 | 2023-02-21 18:38:24 |         MASTER-SAAO | (02h 26m 50.29s , +25d 51m 43.9s) |   C |    60 | 16.7 |        
   76429 | 2023-02-21 18:38:24 |         MASTER-SAAO | (02h 27m 45.51s , +25d 51m 22.4s) |   C |    60 | 17.7 |        
   76509 | 2023-02-21 18:39:44 |         MASTER-SAAO | (02h 35m 32.35s , +25d 50m 38.3s) |   C |    60 | 17.3 |        
   76509 | 2023-02-21 18:39:44 |         MASTER-SAAO | (02h 36m 27.51s , +25d 50m 17.7s) |   C |    60 | 18.2 |        
   76599 | 2023-02-21 18:41:14 |         MASTER-SAAO | (02h 49m 27.15s , +29d 38m 46.3s) |   C |    60 | 17.6 |        
   76599 | 2023-02-21 18:41:14 |         MASTER-SAAO | (02h 50m 24.18s , +29d 38m 25.2s) |   C |    60 | 18.3 |        
   76679 | 2023-02-21 18:42:34 |         MASTER-SAAO | (02h 58m 31.54s , +29d 40m 30.0s) |   C |    60 | 17.8 |        
   76679 | 2023-02-21 18:42:34 |         MASTER-SAAO | (02h 59m 28.68s , +29d 40m 08.9s) |   C |    60 | 18.4 |        
   76770 | 2023-02-21 18:44:06 |         MASTER-SAAO | (03h 12m 21.39s , +27d 44m 53.7s) |   C |    60 | 18.3 |        
   76770 | 2023-02-21 18:44:06 |         MASTER-SAAO | (03h 13m 17.74s , +27d 44m 33.1s) |   C |    60 | 18.8 |        
   76862 | 2023-02-21 18:45:37 |         MASTER-SAAO | (02h 43m 31.65s , +25d 52m 43.8s) |   C |    60 | 17.7 |        
   76862 | 2023-02-21 18:45:37 |         MASTER-SAAO | (02h 44m 26.81s , +25d 52m 23.1s) |   C |    60 | 18.4 |        
   76942 | 2023-02-21 18:46:57 |         MASTER-SAAO | (02h 52m 25.78s , +25d 51m 39.8s) |   C |    60 | 17.9 |        
   76942 | 2023-02-21 18:46:57 |         MASTER-SAAO | (02h 53m 21.03s , +25d 51m 19.4s) |   C |    60 | 18.7 |        
   77032 | 2023-02-21 18:48:27 |         MASTER-SAAO | (02h 38m 17.69s , +27d 44m 58.1s) |   C |    60 | 16.6 |        
   77032 | 2023-02-21 18:48:27 |         MASTER-SAAO | (02h 39m 13.72s , +27d 44m 35.3s) |   C |    60 | 18.1 |        
   77113 | 2023-02-21 18:49:48 |         MASTER-SAAO | (02h 46m 26.85s , +27d 45m 17.3s) |   C |    60 | 17.2 |        
   77113 | 2023-02-21 18:49:48 |         MASTER-SAAO | (02h 47m 22.86s , +27d 44m 55.1s) |   C |    60 | 18.2 |        
   77203 | 2023-02-21 18:51:18 |         MASTER-SAAO | (02h 55m 21.53s , +27d 46m 38.6s) |   C |    60 | 17.6 |        
   77203 | 2023-02-21 18:51:18 |         MASTER-SAAO | (02h 56m 17.61s , +27d 46m 17.2s) |   C |    60 | 18.3 |        
   77282 | 2023-02-21 18:52:38 |         MASTER-SAAO | (03h 00m 21.19s , +25d 50m 46.6s) |   C |    60 | 17.9 |        
   77282 | 2023-02-21 18:52:38 |         MASTER-SAAO | (03h 01m 16.52s , +25d 50m 25.5s) |   C |    60 | 18.6 |        
   77374 | 2023-02-21 18:54:09 |         MASTER-SAAO | (03h 09m 14.18s , +25d 52m 27.6s) |   C |    60 | 18.0 |        
   77374 | 2023-02-21 18:54:09 |         MASTER-SAAO | (03h 10m 09.63s , +25d 52m 06.4s) |   C |    60 | 18.6 |        
   77894 | 2023-02-21 19:02:49 |         MASTER-SAAO | (02h 58m 42.36s , +29d 40m 53.7s) |   C |    60 | 16.9 |        
   77894 | 2023-02-21 19:02:49 |         MASTER-SAAO | (02h 59m 40.17s , +29d 40m 29.1s) |   C |    60 | 18.3 |        
   77986 | 2023-02-21 19:04:21 |         MASTER-SAAO | (02h 43m 46.38s , +25d 51m 23.7s) |   C |    60 | 15.6 |        
   77986 | 2023-02-21 19:04:21 |         MASTER-SAAO | (02h 44m 42.21s , +25d 50m 58.5s) |   C |    60 | 18.2 |        
   78077 | 2023-02-21 19:05:52 |         MASTER-SAAO | (02h 52m 37.20s , +25d 52m 49.2s) |   C |    60 | 17.1 |        
   78077 | 2023-02-21 19:05:52 |         MASTER-SAAO | (02h 53m 33.00s , +25d 52m 24.4s) |   C |    60 | 18.2 |        
   78157 | 2023-02-21 19:07:12 |         MASTER-SAAO | (02h 57m 38.99s , +23d 59m 11.1s) |   C |    60 | 17.6 |        
   78157 | 2023-02-21 19:07:12 |         MASTER-SAAO | (02h 58m 33.98s , +23d 58m 47.0s) |   C |    60 | 18.5 |        
   78247 | 2023-02-21 19:08:43 |         MASTER-SAAO | (03h 06m 25.47s , +23d 58m 10.0s) |   C |    60 | 17.5 |        
   78247 | 2023-02-21 19:08:43 |         MASTER-SAAO | (03h 07m 20.51s , +23d 57m 46.0s) |   C |    60 | 18.4 |        
   78327 | 2023-02-21 19:10:02 |         MASTER-SAAO | (03h 07m 00.69s , +29d 39m 53.0s) |   C |    60 | 17.0 |        
   78327 | 2023-02-21 19:10:02 |         MASTER-SAAO | (03h 07m 58.36s , +29d 39m 26.9s) |   C |    60 | 18.2 |        
   78418 | 2023-02-21 19:11:33 |         MASTER-SAAO | (03h 16m 05.80s , +29d 41m 00.8s) |   C |    60 | 17.6 |        
   78418 | 2023-02-21 19:11:33 |         MASTER-SAAO | (03h 17m 03.37s , +29d 40m 35.1s) |   C |    60 | 18.6 |        
   78497 | 2023-02-21 19:12:53 |         MASTER-SAAO | (02h 42m 20.66s , +23d 58m 51.4s) |   C |    60 | 18.1 |        
   78589 | 2023-02-21 19:14:24 |         MASTER-SAAO | (02h 49m 57.59s , +23d 58m 37.1s) |   C |    60 | 15.9 |        
   78589 | 2023-02-21 19:14:24 |         MASTER-SAAO | (02h 50m 52.33s , +23d 58m 10.1s) |   C |    60 | 18.1 |        
   78680 | 2023-02-21 19:15:56 |         MASTER-SAAO | (02h 40m 03.98s , +22d 04m 20.4s) |   C |    60 | 17.9 |        
   78760 | 2023-02-21 19:17:15 |         MASTER-SAAO | (02h 47m 36.18s , +22d 03m 41.9s) |   C |    60 | 15.2 |        
   78760 | 2023-02-21 19:17:15 |         MASTER-SAAO | (02h 48m 30.10s , +22d 03m 15.4s) |   C |    60 | 18.2 |        
   78931 | 2023-02-21 19:20:06 |         MASTER-SAAO | (02h 45m 30.41s , +20d 10m 16.2s) |   C |    60 | 15.2 |        
   78931 | 2023-02-21 19:20:06 |         MASTER-SAAO | (02h 46m 23.65s , +20d 09m 49.6s) |   C |    60 | 18.2 |        
   79021 | 2023-02-21 19:21:37 |         MASTER-SAAO | (03h 09m 08.21s , +20d 10m 31.4s) |   C |    60 | 18.0 |        
   79021 | 2023-02-21 19:21:37 |         MASTER-SAAO | (03h 10m 01.40s , +20d 10m 07.7s) |   C |    60 | 18.7 |        
   79101 | 2023-02-21 19:22:56 |         MASTER-SAAO | (03h 17m 27.83s , +20d 09m 29.3s) |   C |    60 | 18.1 |        
   79101 | 2023-02-21 19:22:56 |         MASTER-SAAO | (03h 18m 21.07s , +20d 09m 06.2s) |   C |    60 | 18.9 |        
   79192 | 2023-02-21 19:24:28 |         MASTER-SAAO | (02h 57m 57.42s , +23d 57m 58.7s) |   C |    60 | 14.6 |        
   79192 | 2023-02-21 19:24:28 |         MASTER-SAAO | (02h 58m 51.92s , +23d 57m 32.7s) |   C |    60 | 18.2 |        
   79284 | 2023-02-21 19:25:59 |         MASTER-SAAO | (03h 06m 33.88s , +23d 59m 26.3s) |   C |    60 | 16.5 |        
   79284 | 2023-02-21 19:25:59 |         MASTER-SAAO | (03h 07m 28.39s , +23d 59m 00.3s) |   C |    60 | 18.3 |        
   79364 | 2023-02-21 19:27:19 |         MASTER-SAAO | (02h 55m 23.60s , +22d 05m 56.5s) |   C |    60 | 14.1 |        
   79364 | 2023-02-21 19:27:19 |         MASTER-SAAO | (02h 56m 17.46s , +22d 05m 30.4s) |   C |    60 | 18.1 |        
   79455 | 2023-02-21 19:28:50 |         MASTER-SAAO | (03h 04m 01.35s , +22d 04m 53.2s) |   C |    60 | 16.5 |        
   79455 | 2023-02-21 19:28:50 |         MASTER-SAAO | (03h 04m 55.21s , +22d 04m 27.1s) |   C |    60 | 18.3 |        
   79534 | 2023-02-21 19:30:10 |         MASTER-SAAO | (03h 17m 26.14s , +25d 52m 18.6s) |   C |    60 | 17.0 |        
   79534 | 2023-02-21 19:30:10 |         MASTER-SAAO | (03h 18m 21.55s , +25d 51m 53.0s) |   C |    60 | 18.3 |        
   79614 | 2023-02-21 19:31:29 |         MASTER-SAAO | (03h 26m 16.98s , +25d 53m 23.8s) |   C |    60 | 17.4 |        
   79614 | 2023-02-21 19:31:29 |         MASTER-SAAO | (03h 27m 12.45s , +25d 52m 59.2s) |   C |    60 | 18.4 |        
   79694 | 2023-02-21 19:32:49 |         MASTER-SAAO | (03h 14m 23.36s , +23d 57m 56.2s) |   C |    60 | 16.6 |        
   79694 | 2023-02-21 19:32:49 |         MASTER-SAAO | (03h 15m 18.00s , +23d 57m 31.0s) |   C |    60 | 18.2 |        
   79784 | 2023-02-21 19:34:19 |         MASTER-SAAO | (03h 23m 08.18s , +23d 58m 14.4s) |   C |    60 | 17.5 |        
   79784 | 2023-02-21 19:34:19 |         MASTER-SAAO | (03h 24m 02.83s , +23d 57m 49.5s) |   C |    60 | 18.5 |        
   79864 | 2023-02-21 19:35:39 |         MASTER-SAAO | (03h 20m 49.56s , +27d 47m 09.7s) |   C |    60 | 16.1 |        
   79864 | 2023-02-21 19:35:39 |         MASTER-SAAO | (03h 21m 46.03s , +27d 46m 42.0s) |   C |    60 | 18.3 |        
   79956 | 2023-02-21 19:37:11 |         MASTER-SAAO | (03h 29m 44.63s , +27d 48m 05.6s) |   C |    60 | 17.2 |        
   79956 | 2023-02-21 19:37:11 |         MASTER-SAAO | (03h 30m 41.11s , +27d 47m 38.8s) |   C |    60 | 18.5 |        
   80047 | 2023-02-21 19:38:42 |         MASTER-SAAO | (03h 09m 19.46s , +20d 11m 06.5s) |   C |    60 | 16.7 |        
   80047 | 2023-02-21 19:38:42 |         MASTER-SAAO | (03h 10m 12.78s , +20d 10m 40.1s) |   C |    60 | 18.5 |        
   80127 | 2023-02-21 19:40:02 |         MASTER-SAAO | (03h 17m 39.14s , +20d 10m 03.2s) |   C |    60 | 17.6 |        
   80127 | 2023-02-21 19:40:02 |         MASTER-SAAO | (03h 18m 32.45s , +20d 09m 37.6s) |   C |    60 | 18.5 |        
   80217 | 2023-02-21 19:41:33 |         MASTER-SAAO | (03h 11m 51.05s , +22d 05m 51.0s) |   C |    60 | 15.2 |        
   80217 | 2023-02-21 19:41:33 |         MASTER-SAAO | (03h 12m 45.11s , +22d 05m 23.6s) |   C |    60 | 18.2 |        
   80297 | 2023-02-21 19:42:52 |         MASTER-SAAO | (03h 20m 15.47s , +22d 05m 11.1s) |   C |    60 | 17.0 |        
   80297 | 2023-02-21 19:42:52 |         MASTER-SAAO | (03h 21m 09.50s , +22d 04m 44.5s) |   C |    60 | 18.4 |        
   80561 | 2023-02-21 19:47:16 |         MASTER-SAAO | (03h 26m 22.65s , +25d 52m 26.6s) |   C |    60 | 15.4 |        
   80561 | 2023-02-21 19:47:16 |         MASTER-SAAO | (03h 27m 18.21s , +25d 51m 57.6s) |   C |    60 | 18.0 |        
   80823 | 2023-02-21 19:51:39 |         MASTER-SAAO | (03h 23m 22.98s , +23d 59m 35.0s) |   C |    60 | 13.9 |        
   80823 | 2023-02-21 19:51:39 |         MASTER-SAAO | (03h 24m 17.85s , +23d 59m 05.2s) |   C |    60 | 18.1 |        
   81075 | 2023-02-21 19:55:51 |         MASTER-SAAO | (03h 18m 46.30s , +20d 10m 10.8s) |   C |    60 | 18.1 |        
   81340 | 2023-02-21 20:00:15 |         MASTER-SAAO | (03h 32m 07.29s , +24d 00m 15.1s) |   C |    60 | 17.9 |        
   81681 | 2023-02-21 20:05:57 |         MASTER-SAAO | (03h 29m 10.26s , +22d 06m 29.1s) |   C |    60 | 17.9 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 7834
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 FERMI GRB 230220B ( Fermi GBM team, GCN 33357) errorbox  74491 sec after notice time and 74524 sec after trigger time at 2023-02-21 18:07:10 UT, with upper limit up to  18.9 mag. Observations started at twilight.  The observations began at zenith distance = 70 deg. The sun  altitude  is -9.8 deg. 

The galactic latitude b = -26 deg., longitude l = 155 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2200481

We obtain a following upper limits.  

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

   74555 | 2023-02-21 18:07:10 |         MASTER-SAAO | (03h 03m 16.78s , +27d 44m 15.6s) |   C |    60 | 13.8 |        
   74688 | 2023-02-21 18:09:23 |         MASTER-SAAO | (03h 12m 13.77s , +27d 45m 15.6s) |   C |    60 | 16.3 |        
   74688 | 2023-02-21 18:09:23 |         MASTER-SAAO | (03h 13m 10.41s , +27d 45m 00.7s) |   C |    60 | 16.2 |        
   74778 | 2023-02-21 18:10:53 |         MASTER-SAAO | (03h 03m 18.99s , +27d 44m 23.4s) |   C |    60 | 16.3 |        
   74778 | 2023-02-21 18:10:53 |         MASTER-SAAO | (03h 04m 15.47s , +27d 44m 08.6s) |   C |    60 | 16.2 |        
   74857 | 2023-02-21 18:12:13 |         MASTER-SAAO | (02h 29m 06.25s , +27d 44m 20.1s) |   C |    60 | 15.4 |        
   74858 | 2023-02-21 18:12:13 |         MASTER-SAAO | (02h 30m 02.34s , +27d 44m 03.8s) |   C |    60 | 15.6 |        
   74948 | 2023-02-21 18:13:44 |         MASTER-SAAO | (02h 38m 02.65s , +27d 45m 45.2s) |   C |    60 | 16.0 |        
   74948 | 2023-02-21 18:13:44 |         MASTER-SAAO | (02h 38m 58.83s , +27d 45m 28.5s) |   C |    60 | 16.2 |        
   75028 | 2023-02-21 18:15:04 |         MASTER-SAAO | (02h 46m 11.46s , +27d 45m 26.4s) |   C |    60 | 16.5 |        
   75028 | 2023-02-21 18:15:04 |         MASTER-SAAO | (02h 47m 07.74s , +27d 45m 09.6s) |   C |    60 | 16.6 |        
   75120 | 2023-02-21 18:16:35 |         MASTER-SAAO | (02h 55m 05.64s , +27d 44m 41.1s) |   C |    60 | 16.9 |        
   75120 | 2023-02-21 18:16:35 |         MASTER-SAAO | (02h 56m 02.04s , +27d 44m 24.1s) |   C |    60 | 16.9 |        
   75211 | 2023-02-21 18:18:06 |         MASTER-SAAO | (03h 00m 15.42s , +25d 50m 37.4s) |   C |    60 | 17.3 |        
   75211 | 2023-02-21 18:18:06 |         MASTER-SAAO | (03h 01m 11.01s , +25d 50m 20.3s) |   C |    60 | 17.4 |        
   75291 | 2023-02-21 18:19:26 |         MASTER-SAAO | (03h 09m 01.02s , +25d 49m 35.2s) |   C |    60 | 17.5 |        
   75291 | 2023-02-21 18:19:26 |         MASTER-SAAO | (03h 09m 56.69s , +25d 49m 18.2s) |   C |    60 | 17.6 |        
   75381 | 2023-02-21 18:20:57 |         MASTER-SAAO | (02h 27m 31.68s , +25d 51m 45.2s) |   C |    60 | 16.8 |        
   75381 | 2023-02-21 18:20:57 |         MASTER-SAAO | (02h 26m 36.42s , +25d 52m 03.5s) |   C |    60 | 16.6 |        
   75461 | 2023-02-21 18:22:16 |         MASTER-SAAO | (02h 35m 26.12s , +25d 50m 31.7s) |   C |    60 | 17.0 |        
   75461 | 2023-02-21 18:22:16 |         MASTER-SAAO | (02h 36m 21.46s , +25d 50m 13.3s) |   C |    60 | 17.3 |        
   75552 | 2023-02-21 18:23:47 |         MASTER-SAAO | (02h 49m 12.43s , +29d 39m 01.5s) |   C |    60 | 17.4 |        
   75552 | 2023-02-21 18:23:47 |         MASTER-SAAO | (02h 50m 09.66s , +29d 38m 42.6s) |   C |    60 | 17.6 |        
   75631 | 2023-02-21 18:25:07 |         MASTER-SAAO | (02h 58m 22.85s , +29d 39m 58.7s) |   C |    60 | 17.6 |        
   75631 | 2023-02-21 18:25:07 |         MASTER-SAAO | (02h 59m 20.21s , +29d 39m 39.5s) |   C |    60 | 17.9 |        
   75723 | 2023-02-21 18:26:38 |         MASTER-SAAO | (03h 12m 20.15s , +27d 44m 50.0s) |   C |    60 | 18.0 |        
   75723 | 2023-02-21 18:26:38 |         MASTER-SAAO | (03h 13m 16.70s , +27d 44m 31.3s) |   C |    60 | 18.3 |        
   75814 | 2023-02-21 18:28:10 |         MASTER-SAAO | (03h 03m 13.71s , +27d 43m 58.0s) |   C |    60 | 17.9 |        
   75814 | 2023-02-21 18:28:10 |         MASTER-SAAO | (03h 04m 10.19s , +27d 43m 39.3s) |   C |    60 | 18.2 |        
   75894 | 2023-02-21 18:29:30 |         MASTER-SAAO | (02h 29m 15.19s , +27d 44m 41.7s) |   C |    60 | 17.0 |        
   75894 | 2023-02-21 18:29:30 |         MASTER-SAAO | (02h 30m 11.26s , +27d 44m 21.6s) |   C |    60 | 17.5 |        
   75985 | 2023-02-21 18:31:01 |         MASTER-SAAO | (02h 38m 09.84s , +27d 45m 57.8s) |   C |    60 | 17.4 |        
   75985 | 2023-02-21 18:31:01 |         MASTER-SAAO | (02h 39m 05.99s , +27d 45m 37.9s) |   C |    60 | 17.8 |        
   76065 | 2023-02-21 18:32:20 |         MASTER-SAAO | (02h 46m 14.42s , +27d 44m 47.4s) |   C |    60 | 17.6 |        
   76065 | 2023-02-21 18:32:20 |         MASTER-SAAO | (02h 47m 10.66s , +27d 44m 27.6s) |   C |    60 | 18.2 |        
   76156 | 2023-02-21 18:33:51 |         MASTER-SAAO | (02h 55m 16.76s , +27d 46m 11.1s) |   C |    60 | 17.8 |        
   76156 | 2023-02-21 18:33:51 |         MASTER-SAAO | (02h 56m 13.11s , +27d 45m 51.2s) |   C |    60 | 18.4 |        
   76236 | 2023-02-21 18:35:11 |         MASTER-SAAO | (03h 00m 12.48s , +25d 51m 11.7s) |   C |    60 | 18.2 |        
   76236 | 2023-02-21 18:35:11 |         MASTER-SAAO | (03h 01m 08.05s , +25d 50m 52.2s) |   C |    60 | 18.7 |        
   76327 | 2023-02-21 18:36:42 |         MASTER-SAAO | (03h 09m 02.98s , +25d 52m 10.3s) |   C |    60 | 18.3 |        
   76327 | 2023-02-21 18:36:42 |         MASTER-SAAO | (03h 09m 58.64s , +25d 51m 50.8s) |   C |    60 | 18.6 |        
   76429 | 2023-02-21 18:38:24 |         MASTER-SAAO | (02h 26m 50.29s , +25d 51m 43.9s) |   C |    60 | 16.7 |        
   76429 | 2023-02-21 18:38:24 |         MASTER-SAAO | (02h 27m 45.51s , +25d 51m 22.4s) |   C |    60 | 17.7 |        
   76509 | 2023-02-21 18:39:44 |         MASTER-SAAO | (02h 35m 32.35s , +25d 50m 38.3s) |   C |    60 | 17.3 |        
   76509 | 2023-02-21 18:39:44 |         MASTER-SAAO | (02h 36m 27.51s , +25d 50m 17.7s) |   C |    60 | 18.2 |        
   76599 | 2023-02-21 18:41:14 |         MASTER-SAAO | (02h 49m 27.15s , +29d 38m 46.3s) |   C |    60 | 17.6 |        
   76599 | 2023-02-21 18:41:14 |         MASTER-SAAO | (02h 50m 24.18s , +29d 38m 25.2s) |   C |    60 | 18.3 |        
   76679 | 2023-02-21 18:42:34 |         MASTER-SAAO | (02h 58m 31.54s , +29d 40m 30.0s) |   C |    60 | 17.8 |        
   76679 | 2023-02-21 18:42:34 |         MASTER-SAAO | (02h 59m 28.68s , +29d 40m 08.9s) |   C |    60 | 18.4 |        
   76770 | 2023-02-21 18:44:06 |         MASTER-SAAO | (03h 12m 21.39s , +27d 44m 53.7s) |   C |    60 | 18.3 |        
   76770 | 2023-02-21 18:44:06 |         MASTER-SAAO | (03h 13m 17.74s , +27d 44m 33.1s) |   C |    60 | 18.8 |        
   76862 | 2023-02-21 18:45:37 |         MASTER-SAAO | (02h 43m 31.65s , +25d 52m 43.8s) |   C |    60 | 17.7 |        
   76862 | 2023-02-21 18:45:37 |         MASTER-SAAO | (02h 44m 26.81s , +25d 52m 23.1s) |   C |    60 | 18.4 |        
   76942 | 2023-02-21 18:46:57 |         MASTER-SAAO | (02h 52m 25.78s , +25d 51m 39.8s) |   C |    60 | 17.9 |        
   76942 | 2023-02-21 18:46:57 |         MASTER-SAAO | (02h 53m 21.03s , +25d 51m 19.4s) |   C |    60 | 18.7 |        
   77032 | 2023-02-21 18:48:27 |         MASTER-SAAO | (02h 38m 17.69s , +27d 44m 58.1s) |   C |    60 | 16.6 |        
   77032 | 2023-02-21 18:48:27 |         MASTER-SAAO | (02h 39m 13.72s , +27d 44m 35.3s) |   C |    60 | 18.1 |        
   77113 | 2023-02-21 18:49:48 |         MASTER-SAAO | (02h 46m 26.85s , +27d 45m 17.3s) |   C |    60 | 17.2 |        
   77113 | 2023-02-21 18:49:48 |         MASTER-SAAO | (02h 47m 22.86s , +27d 44m 55.1s) |   C |    60 | 18.2 |        
   77203 | 2023-02-21 18:51:18 |         MASTER-SAAO | (02h 55m 21.53s , +27d 46m 38.6s) |   C |    60 | 17.6 |        
   77203 | 2023-02-21 18:51:18 |         MASTER-SAAO | (02h 56m 17.61s , +27d 46m 17.2s) |   C |    60 | 18.3 |        
   77282 | 2023-02-21 18:52:38 |         MASTER-SAAO | (03h 00m 21.19s , +25d 50m 46.6s) |   C |    60 | 17.9 |        
   77282 | 2023-02-21 18:52:38 |         MASTER-SAAO | (03h 01m 16.52s , +25d 50m 25.5s) |   C |    60 | 18.6 |        
   77374 | 2023-02-21 18:54:09 |         MASTER-SAAO | (03h 09m 14.18s , +25d 52m 27.6s) |   C |    60 | 18.0 |        
   77374 | 2023-02-21 18:54:09 |         MASTER-SAAO | (03h 10m 09.63s , +25d 52m 06.4s) |   C |    60 | 18.6 |        
   77894 | 2023-02-21 19:02:49 |         MASTER-SAAO | (02h 58m 42.36s , +29d 40m 53.7s) |   C |    60 | 16.9 |        
   77894 | 2023-02-21 19:02:49 |         MASTER-SAAO | (02h 59m 40.17s , +29d 40m 29.1s) |   C |    60 | 18.3 |        
   77986 | 2023-02-21 19:04:21 |         MASTER-SAAO | (02h 43m 46.38s , +25d 51m 23.7s) |   C |    60 | 15.6 |        
   77986 | 2023-02-21 19:04:21 |         MASTER-SAAO | (02h 44m 42.21s , +25d 50m 58.5s) |   C |    60 | 18.2 |        
   78077 | 2023-02-21 19:05:52 |         MASTER-SAAO | (02h 52m 37.20s , +25d 52m 49.2s) |   C |    60 | 17.1 |        
   78077 | 2023-02-21 19:05:52 |         MASTER-SAAO | (02h 53m 33.00s , +25d 52m 24.4s) |   C |    60 | 18.2 |        
   78157 | 2023-02-21 19:07:12 |         MASTER-SAAO | (02h 57m 38.99s , +23d 59m 11.1s) |   C |    60 | 17.6 |        
   78157 | 2023-02-21 19:07:12 |         MASTER-SAAO | (02h 58m 33.98s , +23d 58m 47.0s) |   C |    60 | 18.5 |        
   78247 | 2023-02-21 19:08:43 |         MASTER-SAAO | (03h 06m 25.47s , +23d 58m 10.0s) |   C |    60 | 17.5 |        
   78247 | 2023-02-21 19:08:43 |         MASTER-SAAO | (03h 07m 20.51s , +23d 57m 46.0s) |   C |    60 | 18.4 |        
   78327 | 2023-02-21 19:10:02 |         MASTER-SAAO | (03h 07m 00.69s , +29d 39m 53.0s) |   C |    60 | 17.0 |        
   78327 | 2023-02-21 19:10:02 |         MASTER-SAAO | (03h 07m 58.36s , +29d 39m 26.9s) |   C |    60 | 18.2 |        
   78418 | 2023-02-21 19:11:33 |         MASTER-SAAO | (03h 16m 05.80s , +29d 41m 00.8s) |   C |    60 | 17.6 |        
   78418 | 2023-02-21 19:11:33 |         MASTER-SAAO | (03h 17m 03.37s , +29d 40m 35.1s) |   C |    60 | 18.6 |        
   78497 | 2023-02-21 19:12:53 |         MASTER-SAAO | (02h 42m 20.66s , +23d 58m 51.4s) |   C |    60 | 18.1 |        
   78589 | 2023-02-21 19:14:24 |         MASTER-SAAO | (02h 49m 57.59s , +23d 58m 37.1s) |   C |    60 | 15.9 |        
   78589 | 2023-02-21 19:14:24 |         MASTER-SAAO | (02h 50m 52.33s , +23d 58m 10.1s) |   C |    60 | 18.1 |        
   78680 | 2023-02-21 19:15:56 |         MASTER-SAAO | (02h 40m 03.98s , +22d 04m 20.4s) |   C |    60 | 17.9 |        
   78760 | 2023-02-21 19:17:15 |         MASTER-SAAO | (02h 47m 36.18s , +22d 03m 41.9s) |   C |    60 | 15.2 |        
   78760 | 2023-02-21 19:17:15 |         MASTER-SAAO | (02h 48m 30.10s , +22d 03m 15.4s) |   C |    60 | 18.2 |        
   78931 | 2023-02-21 19:20:06 |         MASTER-SAAO | (02h 45m 30.41s , +20d 10m 16.2s) |   C |    60 | 15.2 |        
   78931 | 2023-02-21 19:20:06 |         MASTER-SAAO | (02h 46m 23.65s , +20d 09m 49.6s) |   C |    60 | 18.2 |        
   79021 | 2023-02-21 19:21:37 |         MASTER-SAAO | (03h 09m 08.21s , +20d 10m 31.4s) |   C |    60 | 18.0 |        
   79021 | 2023-02-21 19:21:37 |         MASTER-SAAO | (03h 10m 01.40s , +20d 10m 07.7s) |   C |    60 | 18.7 |        
   79101 | 2023-02-21 19:22:56 |         MASTER-SAAO | (03h 17m 27.83s , +20d 09m 29.3s) |   C |    60 | 18.1 |        
   79101 | 2023-02-21 19:22:56 |         MASTER-SAAO | (03h 18m 21.07s , +20d 09m 06.2s) |   C |    60 | 18.9 |        
   79192 | 2023-02-21 19:24:28 |         MASTER-SAAO | (02h 57m 57.42s , +23d 57m 58.7s) |   C |    60 | 14.6 |        
   79192 | 2023-02-21 19:24:28 |         MASTER-SAAO | (02h 58m 51.92s , +23d 57m 32.7s) |   C |    60 | 18.2 |        
   79284 | 2023-02-21 19:25:59 |         MASTER-SAAO | (03h 06m 33.88s , +23d 59m 26.3s) |   C |    60 | 16.5 |        
   79284 | 2023-02-21 19:25:59 |         MASTER-SAAO | (03h 07m 28.39s , +23d 59m 00.3s) |   C |    60 | 18.3 |        
   79364 | 2023-02-21 19:27:19 |         MASTER-SAAO | (02h 55m 23.60s , +22d 05m 56.5s) |   C |    60 | 14.1 |        
   79364 | 2023-02-21 19:27:19 |         MASTER-SAAO | (02h 56m 17.46s , +22d 05m 30.4s) |   C |    60 | 18.1 |        
   79455 | 2023-02-21 19:28:50 |         MASTER-SAAO | (03h 04m 01.35s , +22d 04m 53.2s) |   C |    60 | 16.5 |        
   79455 | 2023-02-21 19:28:50 |         MASTER-SAAO | (03h 04m 55.21s , +22d 04m 27.1s) |   C |    60 | 18.3 |        
   79534 | 2023-02-21 19:30:10 |         MASTER-SAAO | (03h 17m 26.14s , +25d 52m 18.6s) |   C |    60 | 17.0 |        
   79534 | 2023-02-21 19:30:10 |         MASTER-SAAO | (03h 18m 21.55s , +25d 51m 53.0s) |   C |    60 | 18.3 |        
   79614 | 2023-02-21 19:31:29 |         MASTER-SAAO | (03h 26m 16.98s , +25d 53m 23.8s) |   C |    60 | 17.4 |        
   79614 | 2023-02-21 19:31:29 |         MASTER-SAAO | (03h 27m 12.45s , +25d 52m 59.2s) |   C |    60 | 18.4 |        
   79694 | 2023-02-21 19:32:49 |         MASTER-SAAO | (03h 14m 23.36s , +23d 57m 56.2s) |   C |    60 | 16.6 |        
   79694 | 2023-02-21 19:32:49 |         MASTER-SAAO | (03h 15m 18.00s , +23d 57m 31.0s) |   C |    60 | 18.2 |        
   79784 | 2023-02-21 19:34:19 |         MASTER-SAAO | (03h 23m 08.18s , +23d 58m 14.4s) |   C |    60 | 17.5 |        
   79784 | 2023-02-21 19:34:19 |         MASTER-SAAO | (03h 24m 02.83s , +23d 57m 49.5s) |   C |    60 | 18.5 |        
   79864 | 2023-02-21 19:35:39 |         MASTER-SAAO | (03h 20m 49.56s , +27d 47m 09.7s) |   C |    60 | 16.1 |        
   79864 | 2023-02-21 19:35:39 |         MASTER-SAAO | (03h 21m 46.03s , +27d 46m 42.0s) |   C |    60 | 18.3 |        
   79956 | 2023-02-21 19:37:11 |         MASTER-SAAO | (03h 29m 44.63s , +27d 48m 05.6s) |   C |    60 | 17.2 |        
   79956 | 2023-02-21 19:37:11 |         MASTER-SAAO | (03h 30m 41.11s , +27d 47m 38.8s) |   C |    60 | 18.5 |        
   80047 | 2023-02-21 19:38:42 |         MASTER-SAAO | (03h 09m 19.46s , +20d 11m 06.5s) |   C |    60 | 16.7 |        
   80047 | 2023-02-21 19:38:42 |         MASTER-SAAO | (03h 10m 12.78s , +20d 10m 40.1s) |   C |    60 | 18.5 |        
   80127 | 2023-02-21 19:40:02 |         MASTER-SAAO | (03h 17m 39.14s , +20d 10m 03.2s) |   C |    60 | 17.6 |        
   80127 | 2023-02-21 19:40:02 |         MASTER-SAAO | (03h 18m 32.45s , +20d 09m 37.6s) |   C |    60 | 18.5 |        
   80217 | 2023-02-21 19:41:33 |         MASTER-SAAO | (03h 11m 51.05s , +22d 05m 51.0s) |   C |    60 | 15.2 |        
   80217 | 2023-02-21 19:41:33 |         MASTER-SAAO | (03h 12m 45.11s , +22d 05m 23.6s) |   C |    60 | 18.2 |        
   80297 | 2023-02-21 19:42:52 |         MASTER-SAAO | (03h 20m 15.47s , +22d 05m 11.1s) |   C |    60 | 17.0 |        
   80297 | 2023-02-21 19:42:52 |         MASTER-SAAO | (03h 21m 09.50s , +22d 04m 44.5s) |   C |    60 | 18.4 |        
   80561 | 2023-02-21 19:47:16 |         MASTER-SAAO | (03h 26m 22.65s , +25d 52m 26.6s) |   C |    60 | 15.4 |        
   80561 | 2023-02-21 19:47:16 |         MASTER-SAAO | (03h 27m 18.21s , +25d 51m 57.6s) |   C |    60 | 18.0 |        
   80823 | 2023-02-21 19:51:39 |         MASTER-SAAO | (03h 23m 22.98s , +23d 59m 35.0s) |   C |    60 | 13.9 |        
   80823 | 2023-02-21 19:51:39 |         MASTER-SAAO | (03h 24m 17.85s , +23d 59m 05.2s) |   C |    60 | 18.1 |        
   81075 | 2023-02-21 19:55:51 |         MASTER-SAAO | (03h 18m 46.30s , +20d 10m 10.8s) |   C |    60 | 18.1 |        
   81340 | 2023-02-21 20:00:15 |         MASTER-SAAO | (03h 32m 07.29s , +24d 00m 15.1s) |   C |    60 | 17.9 |        
   81681 | 2023-02-21 20:05:57 |         MASTER-SAAO | (03h 29m 10.26s , +22d 06m 29.1s) |   C |    60 | 17.9 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 7833
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 FERMI GRB 230220B ( Fermi GBM team, GCN 33357) errorbox  74491 sec after notice time and 74524 sec after trigger time at 2023-02-21 18:07:10 UT, with upper limit up to  17.9 mag. Observations started at twilight.  The observations began at zenith distance = 70 deg. The sun  altitude  is -9.8 deg. 

The galactic latitude b = -26 deg., longitude l = 155 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2200481

We obtain a following upper limits.  

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

   74555 | 2023-02-21 18:07:10 |         MASTER-SAAO | (03h 03m 16.78s , +27d 44m 15.6s) |   C |    60 | 13.8 |        
   74688 | 2023-02-21 18:09:23 |         MASTER-SAAO | (03h 12m 13.77s , +27d 45m 15.6s) |   C |    60 | 16.3 |        
   74688 | 2023-02-21 18:09:23 |         MASTER-SAAO | (03h 13m 10.41s , +27d 45m 00.7s) |   C |    60 | 16.2 |        
   74778 | 2023-02-21 18:10:53 |         MASTER-SAAO | (03h 03m 18.99s , +27d 44m 23.4s) |   C |    60 | 16.3 |        
   74778 | 2023-02-21 18:10:53 |         MASTER-SAAO | (03h 04m 15.47s , +27d 44m 08.6s) |   C |    60 | 16.2 |        
   74857 | 2023-02-21 18:12:13 |         MASTER-SAAO | (02h 29m 06.25s , +27d 44m 20.1s) |   C |    60 | 15.4 |        
   74858 | 2023-02-21 18:12:13 |         MASTER-SAAO | (02h 30m 02.34s , +27d 44m 03.8s) |   C |    60 | 15.6 |        
   74948 | 2023-02-21 18:13:44 |         MASTER-SAAO | (02h 38m 02.65s , +27d 45m 45.2s) |   C |    60 | 16.0 |        
   74948 | 2023-02-21 18:13:44 |         MASTER-SAAO | (02h 38m 58.83s , +27d 45m 28.5s) |   C |    60 | 16.2 |        
   75028 | 2023-02-21 18:15:04 |         MASTER-SAAO | (02h 46m 11.46s , +27d 45m 26.4s) |   C |    60 | 16.5 |        
   75028 | 2023-02-21 18:15:04 |         MASTER-SAAO | (02h 47m 07.74s , +27d 45m 09.6s) |   C |    60 | 16.6 |        
   75120 | 2023-02-21 18:16:35 |         MASTER-SAAO | (02h 55m 05.64s , +27d 44m 41.1s) |   C |    60 | 16.9 |        
   75120 | 2023-02-21 18:16:35 |         MASTER-SAAO | (02h 56m 02.04s , +27d 44m 24.1s) |   C |    60 | 16.9 |        
   75211 | 2023-02-21 18:18:06 |         MASTER-SAAO | (03h 00m 15.42s , +25d 50m 37.4s) |   C |    60 | 17.3 |        
   75211 | 2023-02-21 18:18:06 |         MASTER-SAAO | (03h 01m 11.01s , +25d 50m 20.3s) |   C |    60 | 17.4 |        
   75291 | 2023-02-21 18:19:26 |         MASTER-SAAO | (03h 09m 01.02s , +25d 49m 35.2s) |   C |    60 | 17.5 |        
   75291 | 2023-02-21 18:19:26 |         MASTER-SAAO | (03h 09m 56.69s , +25d 49m 18.2s) |   C |    60 | 17.6 |        
   75381 | 2023-02-21 18:20:57 |         MASTER-SAAO | (02h 27m 31.68s , +25d 51m 45.2s) |   C |    60 | 16.8 |        
   75381 | 2023-02-21 18:20:57 |         MASTER-SAAO | (02h 26m 36.42s , +25d 52m 03.5s) |   C |    60 | 16.6 |        
   75461 | 2023-02-21 18:22:16 |         MASTER-SAAO | (02h 35m 26.12s , +25d 50m 31.7s) |   C |    60 | 17.0 |        
   75461 | 2023-02-21 18:22:16 |         MASTER-SAAO | (02h 36m 21.46s , +25d 50m 13.3s) |   C |    60 | 17.3 |        
   75552 | 2023-02-21 18:23:47 |         MASTER-SAAO | (02h 49m 12.43s , +29d 39m 01.5s) |   C |    60 | 17.4 |        
   75552 | 2023-02-21 18:23:47 |         MASTER-SAAO | (02h 50m 09.66s , +29d 38m 42.6s) |   C |    60 | 17.6 |        
   75631 | 2023-02-21 18:25:07 |         MASTER-SAAO | (02h 58m 22.85s , +29d 39m 58.7s) |   C |    60 | 17.6 |        
   75631 | 2023-02-21 18:25:07 |         MASTER-SAAO | (02h 59m 20.21s , +29d 39m 39.5s) |   C |    60 | 17.9 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 7832
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 FERMI GRB 230220B ( Fermi GBM team, GCN 33357) errorbox  74491 sec after notice time and 74524 sec after trigger time at 2023-02-21 18:07:10 UT, with upper limit up to  17.9 mag. Observations started at twilight.  The observations began at zenith distance = 70 deg. The sun  altitude  is -9.8 deg. 

The galactic latitude b = -26 deg., longitude l = 155 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2200481

We obtain a following upper limits.  

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

   74555 | 2023-02-21 18:07:10 |         MASTER-SAAO | (03h 03m 16.78s , +27d 44m 15.6s) |   C |    60 | 13.8 |        
   74688 | 2023-02-21 18:09:23 |         MASTER-SAAO | (03h 12m 13.77s , +27d 45m 15.6s) |   C |    60 | 16.3 |        
   74688 | 2023-02-21 18:09:23 |         MASTER-SAAO | (03h 13m 10.41s , +27d 45m 00.7s) |   C |    60 | 16.2 |        
   74778 | 2023-02-21 18:10:53 |         MASTER-SAAO | (03h 03m 18.99s , +27d 44m 23.4s) |   C |    60 | 16.3 |        
   74778 | 2023-02-21 18:10:53 |         MASTER-SAAO | (03h 04m 15.47s , +27d 44m 08.6s) |   C |    60 | 16.2 |        
   74857 | 2023-02-21 18:12:13 |         MASTER-SAAO | (02h 29m 06.25s , +27d 44m 20.1s) |   C |    60 | 15.4 |        
   74858 | 2023-02-21 18:12:13 |         MASTER-SAAO | (02h 30m 02.34s , +27d 44m 03.8s) |   C |    60 | 15.6 |        
   74948 | 2023-02-21 18:13:44 |         MASTER-SAAO | (02h 38m 02.65s , +27d 45m 45.2s) |   C |    60 | 16.0 |        
   74948 | 2023-02-21 18:13:44 |         MASTER-SAAO | (02h 38m 58.83s , +27d 45m 28.5s) |   C |    60 | 16.2 |        
   75028 | 2023-02-21 18:15:04 |         MASTER-SAAO | (02h 46m 11.46s , +27d 45m 26.4s) |   C |    60 | 16.5 |        
   75028 | 2023-02-21 18:15:04 |         MASTER-SAAO | (02h 47m 07.74s , +27d 45m 09.6s) |   C |    60 | 16.6 |        
   75120 | 2023-02-21 18:16:35 |         MASTER-SAAO | (02h 55m 05.64s , +27d 44m 41.1s) |   C |    60 | 16.9 |        
   75120 | 2023-02-21 18:16:35 |         MASTER-SAAO | (02h 56m 02.04s , +27d 44m 24.1s) |   C |    60 | 16.9 |        
   75211 | 2023-02-21 18:18:06 |         MASTER-SAAO | (03h 00m 15.42s , +25d 50m 37.4s) |   C |    60 | 17.3 |        
   75211 | 2023-02-21 18:18:06 |         MASTER-SAAO | (03h 01m 11.01s , +25d 50m 20.3s) |   C |    60 | 17.4 |        
   75291 | 2023-02-21 18:19:26 |         MASTER-SAAO | (03h 09m 01.02s , +25d 49m 35.2s) |   C |    60 | 17.5 |        
   75291 | 2023-02-21 18:19:26 |         MASTER-SAAO | (03h 09m 56.69s , +25d 49m 18.2s) |   C |    60 | 17.6 |        
   75381 | 2023-02-21 18:20:57 |         MASTER-SAAO | (02h 27m 31.68s , +25d 51m 45.2s) |   C |    60 | 16.8 |        
   75381 | 2023-02-21 18:20:57 |         MASTER-SAAO | (02h 26m 36.42s , +25d 52m 03.5s) |   C |    60 | 16.6 |        
   75461 | 2023-02-21 18:22:16 |         MASTER-SAAO | (02h 35m 26.12s , +25d 50m 31.7s) |   C |    60 | 17.0 |        
   75461 | 2023-02-21 18:22:16 |         MASTER-SAAO | (02h 36m 21.46s , +25d 50m 13.3s) |   C |    60 | 17.3 |        
   75552 | 2023-02-21 18:23:47 |         MASTER-SAAO | (02h 49m 12.43s , +29d 39m 01.5s) |   C |    60 | 17.4 |        
   75552 | 2023-02-21 18:23:47 |         MASTER-SAAO | (02h 50m 09.66s , +29d 38m 42.6s) |   C |    60 | 17.6 |        
   75631 | 2023-02-21 18:25:07 |         MASTER-SAAO | (02h 58m 22.85s , +29d 39m 58.7s) |   C |    60 | 17.6 |        
   75631 | 2023-02-21 18:25:07 |         MASTER-SAAO | (02h 59m 20.21s , +29d 39m 39.5s) |   C |    60 | 17.9 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 7831
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 FERMI GRB 230220B ( Fermi GBM team, GCN 33357) errorbox  74491 sec after notice time and 74524 sec after trigger time at 2023-02-21 18:07:10 UT, with upper limit up to  17.9 mag. Observations started at twilight.  The observations began at zenith distance = 70 deg. The sun  altitude  is -9.8 deg. 

The galactic latitude b = -26 deg., longitude l = 155 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2200481

We obtain a following upper limits.  

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

   74555 | 2023-02-21 18:07:10 |         MASTER-SAAO | (03h 03m 16.78s , +27d 44m 15.6s) |   C |    60 | 13.8 |        
   74688 | 2023-02-21 18:09:23 |         MASTER-SAAO | (03h 12m 13.77s , +27d 45m 15.6s) |   C |    60 | 16.3 |        
   74688 | 2023-02-21 18:09:23 |         MASTER-SAAO | (03h 13m 10.41s , +27d 45m 00.7s) |   C |    60 | 16.2 |        
   74778 | 2023-02-21 18:10:53 |         MASTER-SAAO | (03h 03m 18.99s , +27d 44m 23.4s) |   C |    60 | 16.3 |        
   74778 | 2023-02-21 18:10:53 |         MASTER-SAAO | (03h 04m 15.47s , +27d 44m 08.6s) |   C |    60 | 16.2 |        
   74857 | 2023-02-21 18:12:13 |         MASTER-SAAO | (02h 29m 06.25s , +27d 44m 20.1s) |   C |    60 | 15.4 |        
   74858 | 2023-02-21 18:12:13 |         MASTER-SAAO | (02h 30m 02.34s , +27d 44m 03.8s) |   C |    60 | 15.6 |        
   74948 | 2023-02-21 18:13:44 |         MASTER-SAAO | (02h 38m 02.65s , +27d 45m 45.2s) |   C |    60 | 16.0 |        
   74948 | 2023-02-21 18:13:44 |         MASTER-SAAO | (02h 38m 58.83s , +27d 45m 28.5s) |   C |    60 | 16.2 |        
   75028 | 2023-02-21 18:15:04 |         MASTER-SAAO | (02h 46m 11.46s , +27d 45m 26.4s) |   C |    60 | 16.5 |        
   75028 | 2023-02-21 18:15:04 |         MASTER-SAAO | (02h 47m 07.74s , +27d 45m 09.6s) |   C |    60 | 16.6 |        
   75120 | 2023-02-21 18:16:35 |         MASTER-SAAO | (02h 55m 05.64s , +27d 44m 41.1s) |   C |    60 | 16.9 |        
   75120 | 2023-02-21 18:16:35 |         MASTER-SAAO | (02h 56m 02.04s , +27d 44m 24.1s) |   C |    60 | 16.9 |        
   75211 | 2023-02-21 18:18:06 |         MASTER-SAAO | (03h 00m 15.42s , +25d 50m 37.4s) |   C |    60 | 17.3 |        
   75211 | 2023-02-21 18:18:06 |         MASTER-SAAO | (03h 01m 11.01s , +25d 50m 20.3s) |   C |    60 | 17.4 |        
   75291 | 2023-02-21 18:19:26 |         MASTER-SAAO | (03h 09m 01.02s , +25d 49m 35.2s) |   C |    60 | 17.5 |        
   75291 | 2023-02-21 18:19:26 |         MASTER-SAAO | (03h 09m 56.69s , +25d 49m 18.2s) |   C |    60 | 17.6 |        
   75381 | 2023-02-21 18:20:57 |         MASTER-SAAO | (02h 27m 31.68s , +25d 51m 45.2s) |   C |    60 | 16.8 |        
   75381 | 2023-02-21 18:20:57 |         MASTER-SAAO | (02h 26m 36.42s , +25d 52m 03.5s) |   C |    60 | 16.6 |        
   75461 | 2023-02-21 18:22:16 |         MASTER-SAAO | (02h 35m 26.12s , +25d 50m 31.7s) |   C |    60 | 17.0 |        
   75461 | 2023-02-21 18:22:16 |         MASTER-SAAO | (02h 36m 21.46s , +25d 50m 13.3s) |   C |    60 | 17.3 |        
   75552 | 2023-02-21 18:23:47 |         MASTER-SAAO | (02h 49m 12.43s , +29d 39m 01.5s) |   C |    60 | 17.4 |        
   75552 | 2023-02-21 18:23:47 |         MASTER-SAAO | (02h 50m 09.66s , +29d 38m 42.6s) |   C |    60 | 17.6 |        
   75631 | 2023-02-21 18:25:07 |         MASTER-SAAO | (02h 58m 22.85s , +29d 39m 58.7s) |   C |    60 | 17.6 |        
   75631 | 2023-02-21 18:25:07 |         MASTER-SAAO | (02h 59m 20.21s , +29d 39m 39.5s) |   C |    60 | 17.9 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025