{
  "bibcode": "2026GCN.43328....1L",
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>",
  "body": "V.Lipunov, E.Gorbovskoy, A.Kuznetsov, K.Zhirkov, I.Panchenko, N.Tiurina, P.Balanutsa, V.Topolev, D.Vlasenko, \nG.Antipov,  A.Sankovich, Yu.Tselik, Ya.Kechin, V.Senik, A.Chasovnikov, K.Labsina, I. Gorbunov (Lomonosov MSU),\nO.Gress, N.Budnev (ISU),\nC.Francile,  F. Podesta, R.Podesta, E. Gonzalez  (Observatorio Astronomico Felix Aguilar (OAFA),\nA. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory),\nA.Sosnovskij (CrAO),\nA. Gabovich, V.Yurkov (Blagoveschensk Educational StateUniversity),\nD.Buckley (SAAO),\nR.Rebolo (The Instituto de Astrofisica de Canarias),\nL.Carrasco, J.R.Valdes, V.Chavushyan, V.M.Patino Alvarez, J.Martinez,\nA.R.Corella, L.H.Rodriguez (INAOE, Guillermo Haro Astrophysics Observatory) \n\nMASTER-OAFA robotic telescope  [1]  located in Argentina (OAFA observatory of San Juan National University) was pointed to the EP260105a ( EP Team et al., GCN 43327) errorbox 302 sec after trigger time at 2026-01-05 05:55:32 UT, with upper limit up to  17.7 mag. The observations began at zenith distance = 76 deg. The sun  altitude  is -33.4 deg. \n\nThe galactic latitude b = 79 deg., longitude l = 235 deg.\n\n\nReal time updated cover map and OT discovered available here: \nhttps://master.sai.msu.ru/site/master2/observ.php?id=3096319\n\nWe obtain a following upper limits.  \n\nTmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment\n_________|_____________________|_____________________|____________________________________|_____|_______|_______|________\n\n     333 | 2026-01-05 05:55:32 |         MASTER-OAFA | (12h 04m 39.81s , +22d 45m 13.6s) |   C |    60 | 17.0 |        \n     404 | 2026-01-05 05:56:38 |         MASTER-OAFA | (12h 04m 39.97s , +22d 45m 19.5s) |   C |    70 | 17.2 |        \n     490 | 2026-01-05 05:57:55 |         MASTER-OAFA | (12h 04m 40.18s , +22d 45m 26.3s) |   C |    90 | 17.3 |        \n     597 | 2026-01-05 05:59:31 |         MASTER-OAFA | (12h 04m 40.39s , +22d 45m 34.0s) |   C |   110 | 17.3 |        \n     723 | 2026-01-05 06:01:28 |         MASTER-OAFA | (12h 04m 40.60s , +22d 45m 42.6s) |   C |   130 | 17.4 |        \n     874 | 2026-01-05 06:03:44 |         MASTER-OAFA | (12h 04m 40.84s , +22d 45m 52.0s) |   C |   160 | 17.5 |        \n     991 | 2026-01-05 06:06:30 |         MASTER-OAFA | (12h 04m 41.03s , +22d 45m 59.4s) |   C |    60 | 17.5 |        \n    1056 | 2026-01-05 06:07:36 |         MASTER-OAFA | (12h 04m 41.10s , +22d 46m 03.1s) |   C |    60 | 17.5 |        \n    1121 | 2026-01-05 06:08:41 |         MASTER-OAFA | (12h 04m 41.18s , +22d 46m 07.0s) |   C |    60 | 17.5 |        \n    1188 | 2026-01-05 06:09:47 |         MASTER-OAFA | (12h 04m 41.28s , +22d 46m 10.9s) |   C |    60 | 17.5 |        \n    1253 | 2026-01-05 06:10:53 |         MASTER-OAFA | (12h 04m 41.36s , +22d 46m 14.7s) |   C |    60 | 17.6 |        \n    1319 | 2026-01-05 06:11:58 |         MASTER-OAFA | (12h 04m 41.43s , +22d 46m 18.6s) |   C |    60 | 17.7 |        \n    1385 | 2026-01-05 06:13:05 |         MASTER-OAFA | (12h 04m 41.51s , +22d 46m 22.1s) |   C |    60 | 17.7 |        \n    1451 | 2026-01-05 06:14:10 |         MASTER-OAFA | (12h 04m 41.60s , +22d 46m 25.6s) |   C |    60 | 17.6 |        \n    1516 | 2026-01-05 06:15:16 |         MASTER-OAFA | (12h 04m 41.63s , +22d 46m 29.0s) |   C |    60 | 17.7 |        \n    1582 | 2026-01-05 06:16:22 |         MASTER-OAFA | (12h 04m 41.67s , +22d 46m 32.3s) |   C |    60 | 17.7 |        \n    1648 | 2026-01-05 06:17:27 |         MASTER-OAFA | (12h 04m 41.73s , +22d 46m 35.5s) |   C |    60 | 17.7 |        \n    1714 | 2026-01-05 06:18:33 |         MASTER-OAFA | (12h 04m 41.76s , +22d 46m 38.8s) |   C |    60 | 17.7 |        \nFilter C is a clear (unfiltred) band. \n\n\nThe observation and reduction will continue. \nThe message may be cited.\n\n[1] - V.M. Lipunov, V.G. Kornilov, E.S. Gorbovskoy, N.A. Tiurina & A.S.Kuznetsov, 2023,  Astronomical Robotic Networks and Operative Multichanel Astrophysics, Lomonosov MSU PRESS, 591pp.\nhttp : // www.pereplet.ru/lipunov/625.html\n",
  "eventId": "EP260105a",
  "circularId": 43328,
  "createdOn": 1767594998118,
  "subject": "EP260105a: Global MASTER-Net observations report",
  "submittedHow": "email"
}