TITLE:   GCN CIRCULAR
NUMBER:  27465
SUBJECT: GRB 200325B: Mondy continued observations
DATE:    20/03/28 21:26:56 GMT
FROM:    Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>

S. Belkin (IKI),  A. Pozanenko (IKI), E. Klunko (ISTP),  M. Eselevich 
(ISTP), E. Mazaeva (IKI), A. Volnova (IKI) report on behalf of IKI-GRB-FuN:

We observed the  MASTER OT J111012.51+274912.8  (Lipunov et al., GCN 
27446)  afterglow of the Fermi GRB 200325B (Fermi GBM team, GCN 27441) 
with AZT-33IK 1.5-m telescope of Sayan observatory (Mondy) starting on 
2020-03-27 (UT) 14:07:34.
Preliminary photometry of the OT is following.

Date UT start       t-T0  Filter Exp. OT Err UL(3sigma)
                         (mid, days) (s)
2020-03-27 14:07:34 1.9877   R 28*120  21.15  0.06  23.1


the photometry is based on nearby SDSS-DR12 stars
RA DEC               R(Lupton transformations)
167.569191 27.848262 16.015
167.513655 27.832992 16.930
167.510507 27.850424 15.261

The photometry presented above corroborates the photometry presented by 
LCO (Strausbaugh et al. GCN 27456) at about the same time.