{
  "bibcode": "2020GCN.27850....1B",
  "body": "S. Belkin (IKI), V. Kim (AFIF, Pulkovo Observatory), A. Pozanenko (IKI),\nM. Krugov (AFIF),  E. Mazaeva  (IKI),  A. Volnova (IKI)  report on\nbehalf of larger GRB IKI FuN collaboration:\n\nWe observed   GRB 200524A (Dirirsa et al., GCN 27797; Pookalil et al., \nGCN 27809; Capalbi  et al., GCN 27811; Gupta et al., GCN 27818) with \nAZT-20 1.5 m telescope  of Assy-Turgen observatory starting on May. 27 \n(UT) 17:29:53  in  r'-filter. Optical afterglow discovered by ZTF (Ho et \nal., GCN 27799) and observed by several observations (Kumar et al., GCN \n27800; Rumyantsev et al., GCN 27802; Sanwal et al., GCN 27803; Perley et \nal., GCN 27805; Kumar et al., GCN 27806; de Ugarte Postigo et al., GCN \n27807; Blazek et al., GCN 27810; Ogawa et al., GCN 27813; Izzo, GCN \n27817; Belkin et al., GCN 27820; Kuin et al., GCN 27825).\nPreliminary photometry of the afterglow is following\n\nDate       UT start   t-T0      Filter  Exp.    OT    Err.   UL (3sigma)\n                        (mid, days)      (s)\n\n2020-05-27 17:29:53   3.55617   r'(AB)  110*60  22.80  0.17  24.4\n\nThe photometry is based on the nearby stars of PS1 catalog.",
  "circularId": 27850,
  "createdOn": 1590741932000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 200524A: Assy continued optical observations",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 200524A"
}