TITLE:   GCN CIRCULAR
NUMBER:  38734
SUBJECT: GRB 241229B: SAO RAS optical upper limit
DATE:    24/12/30 21:20:15 GMT
FROM:    Moskvitin Alexander at SAO RAS <mosk@sao.ru>

A. S. Moskvitin, O. I. Spiridonova (SAO RAS), A. A. Volnova and 
A. S. Pozanenko (IKI RAS) report on behalf of the GRB follow-up team.

We observed the field of GRB 241229B (Fermi GBM Team, GCN 38698; 
D'Ai et al., GCN 38699) with the 1-m telescope of SAO RAS, Zeiss-1000 
equipped with the CCD-photometer on December 30, 14:47:58--16:04:24 UT,
t_mid - T0 = 1.5763 days. We obtained 12 x 300 sec. images in Rc band.
 
In the stacked image we did not detected OT discovered by SVOM/VT team
(GCN 38729) and confirmed by Volnova et al., (GCN 38732) down to the 
limiting magnitude of R_lim = 22.3 (based on the same nearby PS1 stars, 
magnitudes were converted with the Lupton 2005 equations).