TITLE:   GCN CIRCULAR
NUMBER:  3769
SUBJECT: GRB050805b: MASTER optical observations
DATE:    05/08/05 21:53:46 GMT
FROM:    Vladimir Lipunov at Moscow State U/Krylov Obs  <gcncirc@observ.inetcomm.ru>

V. Lipunov,  V.Kornilov, D.Kuvshinov,  N.Tyurina, A.Belinski,
E.Gorbovskoy,  A.Krylov, G.Borisov, V.Vladimirov, Krushinski V.

Sternberg Astronomical Institute, Moscow Union "Optic"

    MASTER (http://observ.pereplet.ru) responded to GRB 050805b (Swift 
trigger  149131). The first image  was 25 sec after Notice Time and  74 
sec  after SWIFT  detection     under the
  good weather condition. 
Optical limit is about 17.1 (30 sec exposition, unfiltred close to R).
Ther is no new object in error box (GRB on Milky Way).

The JPG-images   are available at
http://observ.pereplet.ru/images/GRB050805b/1.jpg  .


This work is supported by RFFI  04-02-16411 grant.
This message can be cited.
Mailto: lipunov@sai.msu.ru