TITLE: GCN CIRCULAR NUMBER: 38603 SUBJECT: EP241217a: Global MASTER-Net observations report DATE: 24/12/18 03:18:36 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru> V.Lipunov, E.Gorbovskoy, N.Tiurina, P.Balanutsa, , D.Vlasenko, I.Panchenko, A.Kuznetsov, G.Antipov, A.Sankovich, A.Sosnovskij, Yu.Tselik, M.Gulyaev, Ya.Kechin, V.Senik, A.Chasovnikov, K.Labsina, I. Gorbunov (Lomonosov MSU), O.Gress, N.Budnev (ISU), C.Francile, F. Podesta, R.Podesta, E. Gonzalez (Observatorio Astronomico Felix Aguilar (OAFA), A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory), A. Gabovich, V.Yurkov (Blagoveschensk Educational StateUniversity) D.Buckley (SAAO), R.Rebolo (The Instituto de Astrofisica de Canarias), L.Carrasco, J.R.Valdes, V.Chavushyan, V.M.Patino Alvarez, J.Martinez, A.R.Corella, L.H.Rodriguez (INAOE, Guillermo Haro Astrophysics Observatory) MASTER-OAFA robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Argentina (OAFA observatory of San Juan National University) was pointed to the EP241217a ( EP Team et al., GCN 38586) errorbox 26048 sec after notice time and 70566 sec after trigger time at 2024-12-18 01:12:09 UT, with upper limit up to 20.0 mag. The observations began at zenith distance = 63 deg. The sun altitude is -17.7 deg. The galactic latitude b = -23 deg., longitude l = 155 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2712866 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 70597 | 2024-12-18 01:12:09 | MASTER-OAFA | (03h 07m 45.73s , +30d 58m 27.8s) | C | 60 | 15.7 | 70657 | 2024-12-18 01:12:09 | MASTER-OAFA | (03h 07m 45.73s , +30d 58m 27.6s) | C | 180 | 18.3 | Coadd 70798 | 2024-12-18 01:15:31 | MASTER-OAFA | (03h 07m 46.25s , +30d 56m 36.0s) | C | 60 | 18.1 | 71479 | 2024-12-18 01:26:51 | MASTER-OAFA | (03h 07m 45.08s , +30d 57m 01.2s) | C | 60 | 18.0 | 71678 | 2024-12-18 01:30:10 | MASTER-OAFA | (03h 07m 48.27s , +30d 58m 57.0s) | C | 60 | 17.3 | 71738 | 2024-12-18 01:30:10 | MASTER-OAFA | (03h 07m 48.28s , +30d 58m 57.0s) | C | 180 | 18.3 | Coadd 72347 | 2024-12-18 01:41:19 | MASTER-OAFA | (03h 07m 47.62s , +30d 59m 09.1s) | C | 60 | 16.8 | 72549 | 2024-12-18 01:44:42 | MASTER-OAFA | (03h 07m 50.77s , +30d 59m 13.3s) | C | 60 | 18.4 | 73299 | 2024-12-18 01:57:11 | MASTER-OAFA | (03h 07m 43.89s , +30d 59m 05.1s) | C | 60 | 18.1 | 73359 | 2024-12-18 01:57:11 | MASTER-OAFA | (03h 07m 43.89s , +30d 59m 05.0s) | C | 180 | 19.5 | Coadd 74047 | 2024-12-18 02:09:39 | MASTER-OAFA | (03h 07m 42.54s , +31d 00m 30.4s) | C | 60 | 19.0 | 74252 | 2024-12-18 02:13:05 | MASTER-OAFA | (03h 07m 42.12s , +30d 58m 38.0s) | C | 60 | 18.8 | 74845 | 2024-12-18 02:22:57 | MASTER-OAFA | (03h 07m 48.62s , +30d 59m 56.1s) | C | 60 | 19.6 | 74905 | 2024-12-18 02:22:57 | MASTER-OAFA | (03h 07m 48.62s , +30d 59m 56.1s) | C | 180 | 20.0 | Coadd 75177 | 2024-12-18 02:28:30 | MASTER-OAFA | (03h 07m 48.54s , +30d 59m 10.1s) | C | 60 | 19.1 | 75669 | 2024-12-18 02:36:42 | MASTER-OAFA | (03h 07m 42.11s , +31d 00m 20.4s) | C | 60 | 19.0 | 76004 | 2024-12-18 02:42:16 | MASTER-OAFA | (03h 07m 47.92s , +31d 00m 30.0s) | C | 60 | 19.1 | 76064 | 2024-12-18 02:42:16 | MASTER-OAFA | (03h 07m 47.92s , +31d 00m 30.0s) | C | 180 | 19.8 | Coadd 76821 | 2024-12-18 02:55:53 | MASTER-OAFA | (03h 07m 43.45s , +31d 00m 04.7s) | C | 60 | 19.2 | 77238 | 2024-12-18 03:02:51 | MASTER-OAFA | (03h 07m 40.33s , +31d 02m 00.4s) | C | 60 | 19.2 | 77567 | 2024-12-18 03:08:20 | MASTER-OAFA | (03h 07m 38.60s , +31d 00m 08.7s) | C | 60 | 18.9 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. View this GCN Circular online at https://gcn.nasa.gov/circulars/38603. --- To unsubscribe, open this link in a web browser: https://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6InZzbmV0LW...