TITLE: GCN CIRCULAR NUMBER: 27802 SUBJECT: GRB 200524A: CrAO observations of ZTF20abbiixp DATE: 20/05/24 20:53:20 GMT FROM: Alexei Pozanenko at IKI, Moscow V. Rumyantsev (CrAO), A. Pozanenko (IKI), S. Belkin (IKI), E. Mazaeva (IKI), A. Volnova (IKI) report on behalf of IKI-GRB-FuN: We observed Fermi-LAT detected GRB 200524A (Dirirsa et al., GCN 27797) with ZTSh 2.6m telescope of CrAO starting on 2020-05-24 (UT) 19:35:16. We clearly detected the OT discovered by ZTF (Ho et al., GCN 27799); see also Kumar et al. (GCN 27800). The R magnitude of the OT is 20.1 +/- 0.2 at the time of the first exposure. Observations and data reduction is ongoing.