TITLE:   GCN CIRCULAR
NUMBER:  32951
SUBJECT: LAT GRB221119.63: Global MASTER-Net observations report 
DATE:    22/11/20 12:55:23 GMT
FROM:    Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov@xray.sai.msu.ru>

V. Lipunov, V.Kornilov, E.Gorbovskoy, K.Zhirkov, N.Tyurina, P.Balanutsa, A.Kuznetsov, D. Vlasenko, 
G.Antipov, D.Zimnukhov, V.Senik, E.Minkina, A.Chasovnikov, V.Topolev, D.Kuvshinov,  D.Cheryasov, Ya.Kechin
(Lomonosov Moscow State University, SAI, Physics Department),

R. Podesta, C.Lopez, F. Podesta, C.Francile 
(Observatorio Astronomico Felix Aguilar OAFA),

R. Rebolo, M. Serra 
(The Instituto de Astrofisica de Canarias),

D. Buckley 
(South African Astronomical Observatory),

O.A. Gres, N.M. Budnev
(Irkutsk State University, API),

L.Carrasco, J.R.Valdes, V.Chavushyan, V.M.Patino Alvarez, J.Martinez, A.R.Corella, L.H.Rodriguez 
(INAOE, Guillermo Haro Astrophysics Observatory),

A. Tlatov, D. Dormidontov 
(Kislovodsk Solar Station of the Pulkovo Observatory),

A. Gabovich, V.Yurkov 
(Blagoveschensk Educational State University)


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) was pointed to the LAT GRB221119.63 (trigger No 690562978,09h 38m 24.00s , -14d 30m 00.0s, R=0.599833) errorbox 27555 sec after trigger time at 2022-11-19 22:42:08 UT, with upper limit up to  19.1 mag. The observations began at zenith distance = 78 deg. The sun  altitude  is -38.3 deg. 

The galactic latitude b = 28 deg., longitude l = 249 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2162046

We obtain a following upper limits.  

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

   27586 | 2022-11-19 22:42:08 |         MASTER-SAAO | (09h 39m 34.49s , -15d 55m 59.7s) |   C |    60 | 15.7 |        
   28167 | 2022-11-19 22:51:49 |         MASTER-SAAO | (09h 32m 02.18s , -15d 56m 16.0s) |   C |    60 | 18.1 |        
   28428 | 2022-11-19 22:56:11 |         MASTER-SAAO | (09h 34m 23.11s , -14d 01m 15.4s) |   C |    60 | 17.8 |        
   28508 | 2022-11-19 22:57:31 |         MASTER-SAAO | (09h 42m 38.85s , -14d 00m 02.0s) |   C |    60 | 16.4 |        
   28689 | 2022-11-19 23:00:32 |         MASTER-SAAO | (09h 39m 34.36s , -15d 54m 17.9s) |   C |    60 | 17.8 |        
   28831 | 2022-11-19 23:01:53 |         MASTER-SAAO | (09h 47m 12.99s , -13d 08m 12.7s) |   C |   180 | 17.6 |        
   29074 | 2022-11-19 23:06:57 |         MASTER-SAAO | (09h 32m 01.53s , -15d 55m 21.5s) |   C |    60 | 18.6 |        
   29335 | 2022-11-19 23:11:18 |         MASTER-SAAO | (09h 34m 23.91s , -14d 02m 22.2s) |   C |    60 | 18.4 |        
   29415 | 2022-11-19 23:12:38 |         MASTER-SAAO | (09h 42m 43.45s , -14d 01m 55.6s) |   C |    60 | 18.1 |        
   29675 | 2022-11-19 23:16:58 |         MASTER-SAAO | (09h 39m 30.36s , -15d 55m 13.3s) |   C |    60 | 18.3 |        
   29906 | 2022-11-19 23:19:48 |         MASTER-SAAO | (09h 47m 09.48s , -13d 08m 40.4s) |   C |   180 | 18.9 |        
   30477 | 2022-11-19 23:30:19 |         MASTER-SAAO | (09h 38m 07.52s , -12d 08m 28.8s) |   C |    60 | 18.6 |        
   30969 | 2022-11-19 23:37:31 |         MASTER-SAAO | (09h 47m 10.15s , -13d 06m 54.3s) |   C |   180 | 19.0 |        
   31539 | 2022-11-19 23:48:02 |         MASTER-SAAO | (09h 38m 12.55s , -12d 06m 46.7s) |   C |    60 | 19.0 |        
   32575 | 2022-11-20 00:05:18 |         MASTER-SAAO | (09h 38m 13.03s , -12d 08m 44.0s) |   C |    60 | 19.1 |        
Filter C is a clear (unfiltred) band. 


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