{
  "circularId": 45796,
  "submittedHow": "email",
  "subject": "EP Alert 261003.01: Global MASTER-Net observations report",
  "body": "M. Segura,  F. Podesta, R.Podesta, E. Gonzalez (Observatorio Astronomico Felix Aguilar (OAFA)\n\nV.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 (Lomonosov MSU)\n\nD.Buckley (SAAO),\n\nA. Gabovich, V.Yurkov (Blagoveschensk Educational StateUniversity)\nA.Sosnovskij (Lomonosov MSU)\n\nA. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory)\n\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\nR.Rebolo (The Instituto de Astrofisica de Canarias)\n\nO.Gress, N.Budnev(ISU)\n\n\nMASTER-OAFA robotic telescope  [1]  located in Argentina (OAFA observatory of San Juan National University) was pointed to the EP Alert 261003.01 (trigger No 1709320865,20h 30m 05.76s , -12d 56m 09.6s, R=0.0510787) errorbox  20 sec after notice time and 366 sec after trigger time at 2026-10-03 00:20:50 UT, with upper limit up to  20.6 mag. The observations began at zenith distance = 19 deg. The sun  altitude  is -22.1 deg. \n\nThe galactic latitude b = -28 deg., longitude l = 33 deg.\n\n\nReal time updated cover map and OT discovered available here: \nhttps://master.sai.msu.ru/site/master2/observ.php?id=3517655\n\nWe obtain a following upper limits.  \n\nTmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment\n_________|_____________________|_____________________|____________________________________|_____|_______|_______|________\n\n     402 | 2026-10-03 00:20:50 |         MASTER-OAFA | (20h 28m 53.44s , -12d 56m 46.8s) |   C |    70 | 19.9 |        \n     502 | 2026-10-03 00:20:50 |         MASTER-OAFA | (20h 28m 53.44s , -12d 56m 46.8s) |   C |   270 | 20.6 |  Coadd \n     487 | 2026-10-03 00:22:05 |         MASTER-OAFA | (20h 28m 53.22s , -12d 56m 49.5s) |   C |    90 | 20.1 |        \n     594 | 2026-10-03 00:23:42 |         MASTER-OAFA | (20h 28m 52.95s , -12d 56m 52.9s) |   C |   110 | 20.1 |        \n     720 | 2026-10-03 00:25:38 |         MASTER-OAFA | (20h 28m 52.65s , -12d 56m 56.5s) |   C |   130 | 20.1 |        \n     871 | 2026-10-03 00:27:54 |         MASTER-OAFA | (20h 28m 52.30s , -12d 57m 00.9s) |   C |   160 | 20.2 |        \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",
  "createdOn": 1790987795614,
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>"
}