TITLE:   GCN CIRCULAR
NUMBER:  37763
SUBJECT: Fermi  trigger No 750291012: Global MASTER-Net observations report
DATE:    24/10/11 02:34:57 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, V.Senik,  D. Vlasenko,
G.Antipov, D.Zimnukhov, E.Minkina, A.Chasovnikov, V.Topolev, D.Kuvshinov, D. Cheryasov, Ya.Kechin, Yu.Tselik, A. Sosnovskij
(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. Gress, N.M. Budnev, O.Ershova
(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),

V. Yurkov, A. Gabovich
(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) started inspect of the Fermi GRB241010.92 (trigger No 750291012,22h 22m 00.00s , -58d 26m 24.0s, R=1) errorbox  64 sec after notice time and 81 sec after trigger time at 2024-10-10 22:11:28 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 36 deg. The sun  altitude  is -50.9 deg. 

The galactic latitude b = -50 deg., longitude l = 332 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2633794

We obtain a following upper limits.  

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

      91 | 2024-10-10 22:11:28 |         MASTER-SAAO | (22h 17m 53.25s , -57d 29m 27.9s) |   C |    20 | 17.5 |        
     130 | 2024-10-10 22:12:08 |         MASTER-SAAO | (22h 21m 37.33s , -58d 42m 01.2s) |   C |    20 | 17.4 |        
     165 | 2024-10-10 22:12:08 |         MASTER-SAAO | (22h 21m 37.33s , -58d 42m 01.3s) |   C |    90 | 18.5 |  Coadd 
     174 | 2024-10-10 22:12:46 |         MASTER-SAAO | (22h 21m 37.51s , -58d 42m 01.4s) |   C |    30 | 17.6 |        
     228 | 2024-10-10 22:13:36 |         MASTER-SAAO | (22h 21m 37.74s , -58d 42m 00.6s) |   C |    40 | 18.0 |        
     292 | 2024-10-10 22:14:34 |         MASTER-SAAO | (22h 21m 37.92s , -58d 41m 59.6s) |   C |    50 | 17.6 |        
     367 | 2024-10-10 22:15:44 |         MASTER-SAAO | (22h 21m 38.13s , -58d 41m 58.4s) |   C |    60 | 17.5 |        
Filter C is a clear (unfiltred) band. 


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