{
  "bibcode": "2020GCN.27172....1L",
  "body": "V. Lipunov, E. Gorbovskoy, V.Kornilov, N.Tyurina, P.Balanutsa, A.Kuznetsov, F.Balakin, \nV.Vladimirov, D. Vlasenko, I.Gorbunov, D.Zimnukhov, V.Senik, T.Pogrosheva,\nD.Kuvshinov,  D. Cheryasov\n(Lomonosov Moscow State University, SAI, Physics Department),\n\nR. Podesta, C.Lopez, F. Podesta, C.Francile \n(Observatorio Astronomico Felix Aguilar OAFA),\n\nH.Levato \n(Instituto de Ciencias Astronomicas, de la Tierra y del Espacio ICATE),\n\nR. Rebolo, M. Serra \n(The Instituto de Astrofisica de Canarias),\n\nD. Buckley \n(South African Astronomical Observatory),\n\nO.A. Gres, N.M. Budnev, O.Ershova \n(Irkutsk State University, API),\n\nA. Tlatov, D. Dormidontov \n(Kislovodsk Solar Station of the Pulkovo Observatory),\n\nV. Yurkov, A. Gabovich, Yu. Sergienko \n(Blagoveschensk Educational State University)\n\n\n\n\nMASTER-Kislovodsk robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) was pointed to the Swift GRB200224.14 (trigger No 958141,16h 35m 10.56s , +41d 40m 30.0s, R=0.05) errorbox  17 sec after notice time and 90 sec after trigger time at 2020-02-24 03:26:19 UT, with upper limit up to  13.8 mag. Observations started at twilight.  The observations began at zenith distance =  2 deg. The sun  altitude  is -6.3 deg. \n\nThe galactic latitude b = 42 deg., longitude l = 66 deg.\n\n\nReal time updated cover map and OT discovered available here: \nhttps://master.sai.msu.ru/site/master2/observ.php?id=1295946\n\nWe obtain a following upper limits.  \n\nTmid-T0  |          Site       |Filt.| Expt. | Limit| Comment\n_________|_____________________|_____|_______|______|________\n\n      95 |   MASTER-Kislovodsk |  P- |    10 | 13.8 |        \n      95 |   MASTER-Kislovodsk |  P| |    10 | 13.0 |        \n\n\nThe observation and reduction will continue. \nThe message may be cited.\n\n[GCN OPS NOTE(24feb20): This is the beginning Circular in the sequence of 8 circulars\nwhich were all labeled A because of the sequence assigner being offline.  In particular, \nthis circular is using the .dd fractional time format instead of the letter A, but the A \nis equivalent for this event.]",
  "circularId": 27172,
  "createdOn": 1582515277000,
  "email": "lipunov@xray.sai.msu.ru",
  "subject": "Swift GRB200224.14: Global MASTER-Net observations report",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov@xray.sai.msu.ru>",
  "eventId": "GRB 200224.14"
}