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GCN Circular 11076

GRB 100805A: 2-nd epoch of SAO RAS optical observations
2010-08-08T15:40:35Z (14 years ago)
Vladimir Sokolov at SAO RAS <>
A. S. Moskvitin, T. A. Fatkhullin, V. V. Sokolov, T. N. Sokolova &
V. N. Komarova (SAO RAS, Niznijh Arkhyz, Russia), report:

We observed the field of the GRB100805A (Hoversten E. A. et al., GCN 11047)
once again with the Zeiss-1000 telescope of SAO RAS, Russia.
The observations were carried out in the Rc band on Aug. 7.832 - 7.918 UT.
At the position of the OT we detected a faint object with R = 23.3 +/- 0.2.
We assume the magnitude of the reference USNO-B1.0 star (L. P. Xin et al.,
GCN 11065; A. S. Moskvitin et al., GCN 11071) as R = 17.41.

Error are formal and do not include one of USNO-B1.0 to Johnson-Cousins
photometric system transformation.

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