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GCN Circular 4171

GRB051028:MASTER optical observations
2005-10-28T18:21:57Z (19 years ago)
Vladimir Lipunov at Moscow State U/Krylov Obs <>
V. Lipunov, V.Kornilov, D.Kuvshinov, N.Tyurina, A.Belinski, E.Gorbovskoy,
A.Krylov, G.Borisov, A.Sankovich, V.Vladimirov

Sternberg Astronomical Institute, Moscow Union 'Optic'
MASTER  robotic system ( responded to
HETE GRB051028.6 .
An automated response took  first image 2005-10-28 16:59:56 UT,
03h 23 m  after the GRB time.
The unfiltered image is calibrateds relative to USNO A2.0 (0.8 R + 0.2 B).
 Reduction is continued.
The robot not find OT-candidate in error box brighter then  17.0.

This work is supported by RFFI  04-02-16411 grant.
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