{
  "submitter": "Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>",
  "subject": "EP Alert 260905.11: Global MASTER-Net observations report",
  "submittedHow": "email",
  "createdOn": 1788592174836,
  "circularId": 45521,
  "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 (CrAO RAS)\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 260905.11 (trigger No 1709302592,01h 56m 53.76s , +30d 32m 52.8s, R=0.0511404) errorbox  14952 sec after notice time and 15834 sec after trigger time at 2026-09-05 06:57:23 UT, with upper limit up to  20.2 mag. The observations began at zenith distance = 63 deg. The sun  altitude  is -48.5 deg. \n\nThe galactic latitude b = -30 deg., longitude l = 140 deg.\n\n\nReal time updated cover map and OT discovered available here: \nhttps://master.sai.msu.ru/site/master2/observ.php?id=3499126\n\nWe obtain a following upper limits.  \n\nTmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment\n_________|_____________________|_____________________|____________________________________|_____|_______|_______|________\n\n   15864 | 2026-09-05 06:57:23 |         MASTER-OAFA | (01h 55m 24.84s , +30d 20m 10.1s) |   C |    60 | 19.6 |        \n   15924 | 2026-09-05 06:57:23 |         MASTER-OAFA | (01h 55m 24.84s , +30d 20m 10.1s) |   C |   180 | 20.2 |  Coadd \n   15944 | 2026-09-05 06:58:43 |         MASTER-OAFA | (01h 55m 21.04s , +30d 21m 46.1s) |   C |    60 | 19.6 |        \n   16025 | 2026-09-05 07:00:04 |         MASTER-OAFA | (01h 55m 20.15s , +30d 20m 05.9s) |   C |    60 | 19.5 |        \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"
}