{
  "bibcode": "2021GCN.31083....1L",
  "body": "V. Lipunov, V.Kornilov, E.Gorbovskoy, K.Zhirkov, N.Tyurina, P.Balanutsa, A.Kuznetsov, \nD. Vlasenko, G.Antipov, D.Zimnukhov, V.Senik, T.Pogrosheva, E.Minkina,\nA.Chasovnikov, V.Topolev, V.Grinshpun, D.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\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\n(Irkutsk State University, API),\n\nA. Tlatov, D. Dormidontov \n(Kislovodsk Solar Station of the Pulkovo Observatory),\n\nA. Gabovich, V.Yurkov \n(Blagoveschensk Educational State University)\n\n\nMASTER-Tavrida robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the Fermi GRB211115.69 (trigger No 658686687,08h 03m 28.80s , -11d 54m 00.0s, R=6.87) errorbox  7126 sec after notice time and 17506 sec after trigger time at 2021-11-15 21:23:08 UT, with upper limit up to  16.6 mag. The observations began at zenith distance = 77 deg. The sun  altitude  is -64.6 deg. \n\nThe galactic latitude b = 11 deg., longitude l = 232 deg.\n\n\nReal time updated cover map and OT discovered available here: \nhttps://master.sai.msu.ru/site/master2/observ.php?id=1786231\n\nWe obtain a following upper limits.  \n\nTmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment\n_________|_____________________|_____________________|____________________________________|_____|_______|_______|________\n\n   17536 | 2021-11-15 21:23:08 |      MASTER-Tavrida | (07h 34m 03.00s , -07d 58m 58.0s) |   C |    60 | 16.5 |        \n   17615 | 2021-11-15 21:24:27 |      MASTER-Tavrida | (07h 42m 14.54s , -07d 58m 29.9s) |   C |    60 | 16.6 |        \nFilter C is a clear (unfiltred) band. \n\n\nThe observation and reduction will continue. \nThe message may be cited.",
  "circularId": 31083,
  "createdOn": 1637011817000,
  "email": "lipunov@xray.sai.msu.ru",
  "subject": "Fermi  trigger No 658686687: Global MASTER-Net observations report",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov@xray.sai.msu.ru>"
}