TITLE: GCN CIRCULAR NUMBER: 28308 SUBJECT: GRB 200829A: TSHAO optical observations DATE: 20/08/29 17:02:07 GMT FROM: Alexei Pozanenko at IKI, Moscow A. Pozanenko (IKI), I. Reva (FAPHI), A. Serebryanskiy (FAPHI), S. Belkin (IKI), M. Krugov (FAPHI), E. Mazaeva (IKI), A. Volnova (IKI) report on behalf of IKI-GRB-FuN: We are observing the afterglow of GRB 200829A (Siegel et al. GCN 28307) with Zeiss-1000 1-m telescope of Tien Shan Astronomical Observatory starting on Aug. 29 (UT) 14:49:05. The afterglow is clearly visible in single images of 60 s exposure. Preliminary photometry of the afterglow is R=16.8 +/- 0.1 at mid time (UT) 15:00:41. Observations is continuing.