{
  "bibcode": "2020GCN.28510....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\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-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) was pointed to the IceCube Alert 200926.33 (trigger No 53384881,06h 26m 17.52s , -04d 12m 18.0s, R=0.51) errorbox  59270 sec after notice time and 59334 sec after trigger time at 2020-09-27 00:23:06 UT, with upper limit up to  16.9 mag. The observations began at zenith distance = 66 deg. The sun  altitude  is -33.5 deg. \n\nThe galactic latitude b = -7 deg., longitude l = 214 deg.\n\n\nReal time updated cover map and OT discovered available here: \nhttps://master.sai.msu.ru/site/master2/observ.php?id=1449387\n\nWe obtain a following upper limits.  \n\nTmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment\n_________|_____________________|_____________________|____________________________________|_____|_______|_______|________\n\n   59424 | 2020-09-27 00:23:06 |      MASTER-Tavrida | (06h 25m 45.93s , -04d 10m 21.3s) |   C |   180 | 14.1 |        \n   59604 | 2020-09-27 00:23:06 |      MASTER-Tavrida | (06h 25m 45.95s , -04d 10m 21.5s) |   C |   540 | 16.9 |  Coadd \n   59625 | 2020-09-27 00:26:26 |      MASTER-Tavrida | (06h 25m 53.40s , -04d 11m 23.8s) |   C |   180 | 16.4 |        \n   59826 | 2020-09-27 00:29:47 |      MASTER-Tavrida | (06h 25m 46.55s , -04d 12m 25.1s) |   C |   180 | 16.7 |        \nFilter C is a clear (unfiltred) band. \n\n\nThe observation and reduction will continue. \nThe message may be cited.",
  "circularId": 28510,
  "createdOn": 1601167149000,
  "email": "lipunov@xray.sai.msu.ru",
  "subject": "IceCube Alert 200926.33: Global MASTER-Net observations report",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov@xray.sai.msu.ru>"
}