[vsnet-grb-info 346] GRB020812: optical observations

[GCN Circulars <gcncirc@lheawww.gsfc.nasa.gov>]

TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  1496
SUBJECT: GRB020812: optical observations
DATE:    02/08/16 10:42:10 GMT
FROM:    Elena Pavlenko at CrAO  <pavlenko@crao.crimea.ua>

Subject:  GRB020812: optical observations

E.Pavlenko (CrAO), V.Doroshenko (GAISh), S.Sergeev (CrAO),
O.Dudka (CrAO), A.Baklanov (Odessa Univ.),
N.Primak (Kiev Univ.), and A. Pozanenko (IKI) report:

We have observed the field 15'x15' of GRB 020812 (HETE trigger 2257, Seq. 3)
at two telescopes of the Crimean Astrophysical Observatory.
The optical candidate was not detected.
Following is the summary of observations.

Telescope  time (UT)   Exposure  Filter  Limit. mag
70 cm     Aug 12 20:18    120 c     R       17.5
38 cm     Aug.12 20:57    300 c     R       17

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