TITLE:   GCN CIRCULAR
NUMBER:  12978
SUBJECT: GRB 1202019A: optical observation in Mondy observatory
DATE:    12/02/21 15:05:27 GMT
FROM:    Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>

A.Volnova (SAI MSU),  E. Klunko (ISTP), A. Pozanenko (IKI) on behalf of 
larger GRB follow up  collaboration report:

We observed the field of GRB 120219A (Swenson et al., GCN 12964) with 
AZT-33IK telescope of Sayan observatory (Mondy) on Feb. 19 between (UT) 
15:14:55 - 16:25:47  in R filter under mean seeing (FWHM) of 2.2". In a 
combined image we marginally detect the afterglow (Xin et al., GCN 12966; 
Gorosabel et al., GCN 12976). Preliminary photometry is based on the 
USNO-B1.0 field stars:

T0+,        Filter,  Exposure,   OT,
(mid, d)             (s)
0.05571    R     70 x 60      22.5 +/-0.3