{
  "bibcode": "2019GCN.24712....1B",
  "body": "S. Belkin (IKI),  E. Klunko (ISTP), R. Ya. Inasaridze (AbAO), A. \nPozanenko (IKI), V.R. Ayvazian (AbAO), E. Mazaeva (IKI), A. Volnova \n(IKI) report on behalf of IKI GRB FuN collaboration:\n\nWe continue observations the  optical afterglow (Lipunov et al., GCN \n24680, 24693 and also e.g. Kann et al., GCN 24684; Melandri et al., GCN \n24689; Heintz et al., GCN 24686; Lzzo et al., GCN  24687; Xin et al., \nGCN   24688; Watson et al., GCN  24690; Xin et al., GCN 24697)  of the \nFermi GRB 190530A (Fermi GBM Team, GCN  24676; Longo et al., GCN \n24679) with   AZT-33IK telescope of Sayan observatory (Mondy) and AS-32 \n(0.7m) telescope of Abastumani Observatory. The afterglow is clearly \nvisible in stacked images. Preliminary photometry of the afterglow is \nfollowing.\n\nDate        UT start t-T0   Filter Exp.   OT    Err. UL\n                      (mid, days) (s)\n\n2019-06-01  15:35:00 2.23638  R    29*60 19.62  0.07  21.2\n2019-06-01  17:38:57 2.31769  R    30*60 19.70  0.14  20.6\n\nThe photometry is based on the nearby USNO-B1.0 stars\n\nUSNO-B1.0_id R2\n1255-0157926 13.35\n1254-0159410 12.63\n1255-0157793 13.56\n\nThe photometry might be influenced by nearby optical source presented in \n    Pan-STARRS DR1 catalog (ID 150571205309266249) mentioned in (Lipunov \net al., GCN 24680).",
  "circularId": 24712,
  "createdOn": 1559469200000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 190530A: Mondy and AbAO optical observations",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 190530A"
}