TITLE: GCN CIRCULAR NUMBER: 45441 SUBJECT: IceCube Alert 260825A: Global MASTER-Net observations report DATE: 26/08/25 15:39:19 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru> V.Lipunov, E.Gorbovskoy, A.Kuznetsov, K.Zhirkov, I.Panchenko, N.Tiurina, P.Balanutsa, V.Topolev, D.Vlasenko, G.Antipov, A.Sankovich, Yu.Tselik, Ya.Kechin, V.Senik, A.Chasovnikov, K.Labsina, I. Gorbunov (Lomonosov MSU), O.Gress, N.Budnev (ISU), M. Segura, F. Podesta, R.Podesta, E. Gonzalez (Observatorio Astronomico Felix Aguilar (OAFA), A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory), A.Sosnovskij (CrAO), 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-Tunka robotic telescope [1] located in Russia (Applied Physics Institute, Irkutsk State University) was pointed to the IceCube Alert 260825A (trigger No 44905242,06h 07m 48.00s , +45d 43m 48.0s, R=0.52) errorbox 7565 sec after notice time and 7608 sec after trigger time at 2026-08-25 13:00:21 UT, with upper limit up to 17.1 mag. Observations started at twilight. The observations began at zenith distance = 82 deg. The sun altitude is -7.9 deg. The galactic latitude b = 13 deg., longitude l = 168 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=3491246 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 7609 | 2026-08-25 13:00:21 | MASTER-Tunka | (06h 06m 04.15s , +46d 13m 20.5s) | P- | 1 | 12.1 | 7615 | 2026-08-25 13:00:27 | MASTER-Tunka | (06h 06m 04.13s , +46d 13m 20.5s) | P- | 1 | 12.1 | 7632 | 2026-08-25 13:00:44 | MASTER-Tunka | (06h 06m 04.10s , +46d 13m 21.5s) | P- | 1 | 12.2 | 7643 | 2026-08-25 13:00:55 | MASTER-Tunka | (06h 06m 04.04s , +46d 13m 21.6s) | P- | 1 | 12.1 | 7662 | 2026-08-25 13:01:14 | MASTER-Tunka | (06h 06m 04.04s , +46d 13m 21.8s) | P- | 1 | 12.0 | 7666 | 2026-08-25 13:01:18 | MASTER-Tunka | (06h 06m 04.02s , +46d 13m 21.6s) | P- | 1 | 12.0 | 7671 | 2026-08-25 13:01:24 | MASTER-Tunka | (06h 06m 04.05s , +46d 13m 22.3s) | P- | 1 | 12.1 | 7677 | 2026-08-25 13:01:29 | MASTER-Tunka | (06h 06m 04.00s , +46d 13m 22.4s) | P- | 1 | 12.1 | 7683 | 2026-08-25 13:01:35 | MASTER-Tunka | (06h 06m 04.01s , +46d 13m 22.0s) | P- | 1 | 12.1 | 7688 | 2026-08-25 13:01:40 | MASTER-Tunka | (06h 06m 03.99s , +46d 13m 22.8s) | P- | 1 | 12.1 | 7694 | 2026-08-25 13:01:46 | MASTER-Tunka | (06h 06m 04.01s , +46d 13m 22.7s) | P- | 1 | 12.1 | 7700 | 2026-08-25 13:01:52 | MASTER-Tunka | (06h 06m 04.04s , +46d 13m 22.9s) | P- | 1 | 12.3 | 7705 | 2026-08-25 13:01:57 | MASTER-Tunka | (06h 06m 04.01s , +46d 13m 22.8s) | P- | 1 | 12.2 | 7710 | 2026-08-25 13:02:02 | MASTER-Tunka | (06h 06m 03.98s , +46d 13m 23.6s) | P- | 1 | 12.3 | 7716 | 2026-08-25 13:02:08 | MASTER-Tunka | (06h 06m 03.98s , +46d 13m 23.6s) | P- | 1 | 12.4 | 7721 | 2026-08-25 13:02:13 | MASTER-Tunka | (06h 06m 03.95s , +46d 13m 24.2s) | P- | 1 | 12.4 | 7727 | 2026-08-25 13:02:19 | MASTER-Tunka | (06h 06m 03.96s , +46d 13m 23.3s) | P- | 1 | 12.2 | 7732 | 2026-08-25 13:02:24 | MASTER-Tunka | (06h 06m 03.95s , +46d 13m 23.7s) | P- | 1 | 12.4 | 7738 | 2026-08-25 13:02:30 | MASTER-Tunka | (06h 06m 03.92s , +46d 13m 23.7s) | P- | 1 | 12.4 | 7743 | 2026-08-25 13:02:35 | MASTER-Tunka | (06h 06m 03.89s , +46d 13m 24.1s) | P- | 1 | 12.4 | 7749 | 2026-08-25 13:02:41 | MASTER-Tunka | (06h 06m 03.87s , +46d 13m 24.3s) | P- | 1 | 12.4 | 7754 | 2026-08-25 13:02:46 | MASTER-Tunka | (06h 06m 03.88s , +46d 13m 24.3s) | P- | 1 | 12.4 | 7760 | 2026-08-25 13:02:52 | MASTER-Tunka | (06h 06m 03.87s , +46d 13m 24.9s) | P- | 1 | 12.6 | 7765 | 2026-08-25 13:02:57 | MASTER-Tunka | (06h 06m 03.89s , +46d 13m 24.4s) | P- | 1 | 12.4 | 7771 | 2026-08-25 13:03:03 | MASTER-Tunka | (06h 06m 03.84s , +46d 13m 24.8s) | P- | 1 | 12.4 | 7776 | 2026-08-25 13:03:08 | MASTER-Tunka | (06h 06m 03.81s , +46d 13m 24.7s) | P- | 1 | 12.5 | 7782 | 2026-08-25 13:03:14 | MASTER-Tunka | (06h 06m 03.79s , +46d 13m 25.9s) | P- | 1 | 12.6 | 7787 | 2026-08-25 13:03:19 | MASTER-Tunka | (06h 06m 03.80s , +46d 13m 24.6s) | P- | 1 | 12.4 | 7793 | 2026-08-25 13:03:25 | MASTER-Tunka | (06h 06m 03.80s , +46d 13m 25.3s) | P- | 1 | 12.5 | 7799 | 2026-08-25 13:03:31 | MASTER-Tunka | (06h 06m 03.73s , +46d 13m 26.0s) | P- | 1 | 12.6 | 7804 | 2026-08-25 13:03:36 | MASTER-Tunka | (06h 06m 03.77s , +46d 13m 25.1s) | P- | 1 | 12.4 | 7809 | 2026-08-25 13:03:42 | MASTER-Tunka | (06h 06m 03.73s , +46d 13m 26.1s) | P- | 1 | 12.6 | 7815 | 2026-08-25 13:03:47 | MASTER-Tunka | (06h 06m 03.76s , +46d 13m 26.4s) | P- | 1 | 12.5 | 7821 | 2026-08-25 13:03:53 | MASTER-Tunka | (06h 06m 03.73s , +46d 13m 26.1s) | P- | 1 | 12.4 | 7826 | 2026-08-25 13:03:58 | MASTER-Tunka | (06h 06m 03.72s , +46d 13m 26.1s) | P- | 1 | 12.6 | 7831 | 2026-08-25 13:04:04 | MASTER-Tunka | (06h 06m 03.71s , +46d 13m 26.7s) | P- | 1 | 12.4 | 7837 | 2026-08-25 13:04:09 | MASTER-Tunka | (06h 06m 03.70s , +46d 13m 26.4s) | P- | 1 | 12.7 | 7843 | 2026-08-25 13:04:15 | MASTER-Tunka | (06h 06m 03.68s , +46d 13m 26.9s) | P- | 1 | 12.6 | 7848 | 2026-08-25 13:04:20 | MASTER-Tunka | (06h 06m 03.68s , +46d 13m 26.4s) | P- | 1 | 12.4 | 7853 | 2026-08-25 13:04:26 | MASTER-Tunka | (06h 06m 03.70s , +46d 13m 26.7s) | P- | 1 | 12.7 | 7859 | 2026-08-25 13:04:31 | MASTER-Tunka | (06h 06m 03.70s , +46d 13m 27.1s) | P- | 1 | 12.7 | 7865 | 2026-08-25 13:04:37 | MASTER-Tunka | (06h 06m 03.69s , +46d 13m 27.4s) | P- | 1 | 13.0 | 7870 | 2026-08-25 13:04:42 | MASTER-Tunka | (06h 06m 03.63s , +46d 13m 28.1s) | P- | 1 | 13.0 | 7875 | 2026-08-25 13:04:48 | MASTER-Tunka | (06h 06m 03.63s , +46d 13m 27.7s) | P- | 1 | 12.9 | 7881 | 2026-08-25 13:04:53 | MASTER-Tunka | (06h 06m 03.62s , +46d 13m 27.5s) | P- | 1 | 12.6 | 7886 | 2026-08-25 13:04:58 | MASTER-Tunka | (06h 06m 03.62s , +46d 13m 28.1s) | P- | 1 | 12.9 | 7892 | 2026-08-25 13:05:04 | MASTER-Tunka | (06h 06m 03.58s , +46d 13m 28.1s) | P- | 1 | 12.8 | 7897 | 2026-08-25 13:05:10 | MASTER-Tunka | (06h 06m 03.60s , +46d 13m 28.1s) | P- | 1 | 13.1 | 7903 | 2026-08-25 13:05:15 | MASTER-Tunka | (06h 06m 03.60s , +46d 13m 28.3s) | P- | 1 | 12.9 | 7909 | 2026-08-25 13:05:21 | MASTER-Tunka | (06h 06m 03.55s , +46d 13m 28.5s) | P- | 1 | 12.9 | 7914 | 2026-08-25 13:05:26 | MASTER-Tunka | (06h 06m 03.55s , +46d 13m 29.0s) | P- | 1 | 12.5 | 7919 | 2026-08-25 13:05:32 | MASTER-Tunka | (06h 06m 03.53s , +46d 13m 29.5s) | P- | 1 | 12.8 | 7925 | 2026-08-25 13:05:37 | MASTER-Tunka | (06h 06m 03.56s , +46d 13m 29.3s) | P- | 1 | 12.9 | 7931 | 2026-08-25 13:05:43 | MASTER-Tunka | (06h 06m 03.51s , +46d 13m 29.7s) | P- | 1 | 12.9 | 7936 | 2026-08-25 13:05:49 | MASTER-Tunka | (06h 06m 03.51s , +46d 13m 29.5s) | P- | 1 | 12.6 | 7942 | 2026-08-25 13:05:54 | MASTER-Tunka | (06h 06m 03.48s , +46d 13m 30.1s) | P- | 1 | 12.9 | 7947 | 2026-08-25 13:05:59 | MASTER-Tunka | (06h 06m 03.54s , +46d 13m 29.6s) | P- | 1 | 12.6 | 7953 | 2026-08-25 13:06:05 | MASTER-Tunka | (06h 06m 03.46s , +46d 13m 29.6s) | P- | 1 | 12.7 | 7958 | 2026-08-25 13:06:10 | MASTER-Tunka | (06h 06m 03.48s , +46d 13m 29.2s) | P- | 1 | 12.6 | 7964 | 2026-08-25 13:06:16 | MASTER-Tunka | (06h 06m 03.44s , +46d 13m 30.3s) | P- | 1 | 12.9 | 7969 | 2026-08-25 13:06:21 | MASTER-Tunka | (06h 06m 03.45s , +46d 13m 30.5s) | P- | 1 | 12.9 | 7974 | 2026-08-25 13:06:27 | MASTER-Tunka | (06h 06m 03.40s , +46d 13m 31.4s) | P- | 1 | 12.9 | 7980 | 2026-08-25 13:06:32 | MASTER-Tunka | (06h 06m 03.47s , +46d 13m 30.8s) | P- | 1 | 12.9 | 7985 | 2026-08-25 13:06:37 | MASTER-Tunka | (06h 06m 03.44s , +46d 13m 31.3s) | P- | 1 | 12.6 | 7991 | 2026-08-25 13:06:43 | MASTER-Tunka | (06h 06m 03.37s , +46d 13m 31.1s) | P- | 1 | 12.6 | 7997 | 2026-08-25 13:06:49 | MASTER-Tunka | (06h 06m 03.38s , +46d 13m 31.1s) | P- | 1 | 12.9 | 8002 | 2026-08-25 13:06:55 | MASTER-Tunka | (06h 06m 03.39s , +46d 13m 31.9s) | P- | 1 | 12.9 | 8008 | 2026-08-25 13:07:00 | MASTER-Tunka | (06h 06m 03.35s , +46d 13m 32.2s) | P- | 1 | 12.9 | 8013 | 2026-08-25 13:07:05 | MASTER-Tunka | (06h 06m 03.34s , +46d 13m 32.4s) | P- | 1 | 12.9 | 8019 | 2026-08-25 13:07:11 | MASTER-Tunka | (06h 06m 03.31s , +46d 13m 32.6s) | P- | 1 | 12.9 | 8025 | 2026-08-25 13:07:17 | MASTER-Tunka | (06h 06m 03.28s , +46d 13m 33.1s) | P- | 1 | 12.9 | 8030 | 2026-08-25 13:07:22 | MASTER-Tunka | (06h 06m 03.31s , +46d 13m 33.7s) | P- | 1 | 12.9 | 8036 | 2026-08-25 13:07:28 | MASTER-Tunka | (06h 06m 03.31s , +46d 13m 33.7s) | P- | 1 | 12.9 | 8041 | 2026-08-25 13:07:33 | MASTER-Tunka | (06h 06m 03.28s , +46d 13m 34.0s) | P- | 1 | 12.9 | 8046 | 2026-08-25 13:07:39 | MASTER-Tunka | (06h 06m 03.27s , +46d 13m 33.6s) | P- | 1 | 12.9 | 8052 | 2026-08-25 13:07:44 | MASTER-Tunka | (06h 06m 03.28s , +46d 13m 33.3s) | P- | 1 | 12.6 | 8058 | 2026-08-25 13:07:50 | MASTER-Tunka | (06h 06m 03.25s , +46d 13m 33.7s) | P- | 1 | 12.9 | 8063 | 2026-08-25 13:07:55 | MASTER-Tunka | (06h 06m 03.27s , +46d 13m 34.0s) | P- | 1 | 12.9 | 8069 | 2026-08-25 13:08:01 | MASTER-Tunka | (06h 06m 03.24s , +46d 13m 34.7s) | P- | 1 | 12.9 | 8074 | 2026-08-25 13:08:06 | MASTER-Tunka | (06h 06m 03.22s , +46d 13m 34.5s) | P- | 1 | 12.9 | 8080 | 2026-08-25 13:08:12 | MASTER-Tunka | (06h 06m 03.22s , +46d 13m 35.0s) | P- | 1 | 12.9 | 8086 | 2026-08-25 13:08:18 | MASTER-Tunka | (06h 06m 03.21s , +46d 13m 35.5s) | P- | 1 | 12.7 | 8091 | 2026-08-25 13:08:23 | MASTER-Tunka | (06h 06m 03.17s , +46d 13m 35.6s) | P- | 1 | 12.7 | 8097 | 2026-08-25 13:08:29 | MASTER-Tunka | (06h 06m 03.15s , +46d 13m 35.7s) | P- | 1 | 12.9 | 8102 | 2026-08-25 13:08:34 | MASTER-Tunka | (06h 06m 03.17s , +46d 13m 35.6s) | P- | 1 | 12.7 | 8108 | 2026-08-25 13:08:40 | MASTER-Tunka | (06h 06m 03.17s , +46d 13m 36.0s) | P- | 1 | 12.9 | 8113 | 2026-08-25 13:08:45 | MASTER-Tunka | (06h 06m 03.15s , +46d 13m 36.0s) | P- | 1 | 12.9 | 8119 | 2026-08-25 13:08:51 | MASTER-Tunka | (06h 06m 03.13s , +46d 13m 36.9s) | P- | 1 | 12.7 | 8124 | 2026-08-25 13:08:57 | MASTER-Tunka | (06h 06m 03.13s , +46d 13m 36.7s) | P- | 1 | 12.6 | 8130 | 2026-08-25 13:09:02 | MASTER-Tunka | (06h 06m 03.11s , +46d 13m 37.1s) | P- | 1 | 12.9 | 8135 | 2026-08-25 13:09:07 | MASTER-Tunka | (06h 06m 03.11s , +46d 13m 37.2s) | P- | 1 | 12.6 | 8140 | 2026-08-25 13:09:12 | MASTER-Tunka | (06h 06m 03.09s , +46d 13m 37.7s) | P- | 1 | 12.9 | 8146 | 2026-08-25 13:09:18 | MASTER-Tunka | (06h 06m 03.11s , +46d 13m 37.5s) | P- | 1 | 12.6 | 8151 | 2026-08-25 13:09:24 | MASTER-Tunka | (06h 06m 03.11s , +46d 13m 36.6s) | P- | 1 | 12.9 | 8157 | 2026-08-25 13:09:29 | MASTER-Tunka | (06h 06m 03.07s , +46d 13m 37.3s) | P- | 1 | 12.9 | 8163 | 2026-08-25 13:09:35 | MASTER-Tunka | (06h 06m 03.05s , +46d 13m 37.5s) | P- | 1 | 12.9 | 8168 | 2026-08-25 13:09:40 | MASTER-Tunka | (06h 06m 03.01s , +46d 13m 37.5s) | P- | 1 | 12.9 | 8174 | 2026-08-25 13:09:46 | MASTER-Tunka | (06h 06m 03.03s , +46d 13m 37.8s) | P- | 1 | 12.9 | 8179 | 2026-08-25 13:09:51 | MASTER-Tunka | (06h 06m 03.04s , +46d 13m 38.2s) | P- | 1 | 13.0 | 8185 | 2026-08-25 13:09:57 | MASTER-Tunka | (06h 06m 03.02s , +46d 13m 38.4s) | P- | 1 | 12.9 | 8190 | 2026-08-25 13:10:02 | MASTER-Tunka | (06h 06m 03.04s , +46d 13m 38.8s) | P- | 1 | 12.9 | 8195 | 2026-08-25 13:10:08 | MASTER-Tunka | (06h 06m 03.01s , +46d 13m 38.6s) | P- | 1 | 12.9 | 8201 | 2026-08-25 13:10:13 | MASTER-Tunka | (06h 06m 02.99s , +46d 13m 38.7s) | P- | 1 | 13.1 | 8207 | 2026-08-25 13:10:19 | MASTER-Tunka | (06h 06m 03.00s , +46d 13m 38.7s) | P- | 1 | 13.3 | 8212 | 2026-08-25 13:10:25 | MASTER-Tunka | (06h 06m 02.95s , +46d 13m 39.5s) | P- | 1 | 13.3 | 8218 | 2026-08-25 13:10:30 | MASTER-Tunka | (06h 06m 02.97s , +46d 13m 39.2s) | P- | 1 | 13.2 | 8223 | 2026-08-25 13:10:35 | MASTER-Tunka | (06h 06m 02.95s , +46d 13m 39.6s) | P- | 1 | 13.2 | 8229 | 2026-08-25 13:10:41 | MASTER-Tunka | (06h 06m 02.96s , +46d 13m 39.0s) | P- | 1 | 13.2 | 8235 | 2026-08-25 13:10:47 | MASTER-Tunka | (06h 06m 02.92s , +46d 13m 39.1s) | P- | 1 | 13.3 | 8240 | 2026-08-25 13:10:52 | MASTER-Tunka | (06h 06m 02.88s , +46d 13m 39.5s) | P- | 1 | 13.3 | 8245 | 2026-08-25 13:10:57 | MASTER-Tunka | (06h 06m 02.85s , +46d 13m 40.0s) | P- | 1 | 13.3 | 8251 | 2026-08-25 13:11:03 | MASTER-Tunka | (06h 06m 02.83s , +46d 13m 39.7s) | P- | 1 | 13.3 | 8257 | 2026-08-25 13:11:09 | MASTER-Tunka | (06h 06m 02.85s , +46d 13m 40.1s) | P- | 1 | 13.3 | 8262 | 2026-08-25 13:11:14 | MASTER-Tunka | (06h 06m 02.82s , +46d 13m 40.7s) | P- | 1 | 13.3 | 8268 | 2026-08-25 13:11:20 | MASTER-Tunka | (06h 06m 02.82s , +46d 13m 40.7s) | P- | 1 | 13.3 | 8273 | 2026-08-25 13:11:25 | MASTER-Tunka | (06h 06m 02.80s , +46d 13m 40.8s) | P- | 1 | 13.3 | 8279 | 2026-08-25 13:11:31 | MASTER-Tunka | (06h 06m 02.79s , +46d 13m 41.1s) | P- | 1 | 13.4 | 8284 | 2026-08-25 13:11:36 | MASTER-Tunka | (06h 06m 02.80s , +46d 13m 40.7s) | P- | 1 | 13.3 | 8290 | 2026-08-25 13:11:42 | MASTER-Tunka | (06h 06m 02.78s , +46d 13m 40.9s) | P- | 1 | 13.5 | 8296 | 2026-08-25 13:11:48 | MASTER-Tunka | (06h 06m 02.80s , +46d 13m 41.4s) | P- | 1 | 13.3 | 8301 | 2026-08-25 13:11:53 | MASTER-Tunka | (06h 06m 02.79s , +46d 13m 41.2s) | P- | 1 | 13.4 | 8306 | 2026-08-25 13:11:59 | MASTER-Tunka | (06h 06m 02.77s , +46d 13m 41.3s) | P- | 1 | 13.4 | 8312 | 2026-08-25 13:12:04 | MASTER-Tunka | (06h 06m 02.76s , +46d 13m 41.2s) | P- | 1 | 13.3 | 8318 | 2026-08-25 13:12:10 | MASTER-Tunka | (06h 06m 02.75s , +46d 13m 42.0s) | P- | 1 | 13.6 | 8323 | 2026-08-25 13:12:15 | MASTER-Tunka | (06h 06m 02.73s , +46d 13m 42.6s) | P- | 1 | 13.3 | 8329 | 2026-08-25 13:12:21 | MASTER-Tunka | (06h 06m 02.74s , +46d 13m 43.1s) | P- | 1 | 13.6 | 8334 | 2026-08-25 13:12:26 | MASTER-Tunka | (06h 06m 02.73s , +46d 13m 43.1s) | P- | 1 | 13.4 | 8340 | 2026-08-25 13:12:32 | MASTER-Tunka | (06h 06m 02.70s , +46d 13m 43.6s) | P- | 1 | 13.4 | 8345 | 2026-08-25 13:12:38 | MASTER-Tunka | (06h 06m 02.68s , +46d 13m 43.4s) | P- | 1 | 13.4 | 8351 | 2026-08-25 13:12:43 | MASTER-Tunka | (06h 06m 02.69s , +46d 13m 43.6s) | P- | 1 | 13.4 | 8356 | 2026-08-25 13:12:48 | MASTER-Tunka | (06h 06m 02.65s , +46d 13m 43.8s) | P- | 1 | 13.4 | 8362 | 2026-08-25 13:12:54 | MASTER-Tunka | (06h 06m 02.69s , +46d 13m 43.9s) | P- | 1 | 13.3 | 8367 | 2026-08-25 13:12:59 | MASTER-Tunka | (06h 06m 02.65s , +46d 13m 44.2s) | P- | 1 | 13.3 | 8373 | 2026-08-25 13:13:05 | MASTER-Tunka | (06h 06m 02.62s , +46d 13m 43.9s) | P- | 1 | 13.3 | 8378 | 2026-08-25 13:13:10 | MASTER-Tunka | (06h 06m 02.59s , +46d 13m 44.3s) | P- | 1 | 13.3 | 8384 | 2026-08-25 13:13:16 | MASTER-Tunka | (06h 06m 02.60s , +46d 13m 44.1s) | P- | 1 | 13.3 | 8389 | 2026-08-25 13:13:21 | MASTER-Tunka | (06h 06m 02.61s , +46d 13m 44.0s) | P- | 1 | 13.4 | 8397 | 2026-08-25 13:13:27 | MASTER-Tunka | (06h 06m 02.61s , +46d 13m 44.4s) | P- | 5 | 14.1 | 8406 | 2026-08-25 13:13:36 | MASTER-Tunka | (06h 06m 02.59s , +46d 13m 44.5s) | P- | 5 | 14.0 | 8412 | 2026-08-25 13:13:44 | MASTER-Tunka | (06h 06m 02.56s , +46d 13m 44.7s) | P- | 1 | 13.3 | 8419 | 2026-08-25 13:13:49 | MASTER-Tunka | (06h 06m 02.56s , +46d 13m 44.9s) | P- | 5 | 14.2 | 8428 | 2026-08-25 13:13:58 | MASTER-Tunka | (06h 06m 02.54s , +46d 13m 44.5s) | P- | 5 | 14.2 | 8437 | 2026-08-25 13:14:07 | MASTER-Tunka | (06h 06m 02.53s , +46d 13m 44.7s) | P- | 5 | 14.3 | 8446 | 2026-08-25 13:14:16 | MASTER-Tunka | (06h 06m 02.49s , +46d 13m 45.0s) | P- | 5 | 14.1 | 8454 | 2026-08-25 13:14:24 | MASTER-Tunka | (06h 06m 02.47s , +46d 13m 44.6s) | P- | 5 | 14.1 | 8463 | 2026-08-25 13:14:33 | MASTER-Tunka | (06h 06m 02.45s , +46d 13m 44.8s) | P- | 5 | 14.2 | 8471 | 2026-08-25 13:14:41 | MASTER-Tunka | (06h 06m 02.44s , +46d 13m 45.2s) | P- | 5 | 14.1 | 8480 | 2026-08-25 13:14:50 | MASTER-Tunka | (06h 06m 02.42s , +46d 13m 45.0s) | P- | 5 | 14.2 | 8489 | 2026-08-25 13:14:59 | MASTER-Tunka | (06h 06m 02.42s , +46d 13m 44.7s) | P- | 5 | 14.1 | 8497 | 2026-08-25 13:15:08 | MASTER-Tunka | (06h 06m 02.40s , +46d 13m 45.8s) | P- | 5 | 14.3 | 8506 | 2026-08-25 13:15:17 | MASTER-Tunka | (06h 06m 02.37s , +46d 13m 47.2s) | P- | 5 | 14.3 | 8515 | 2026-08-25 13:15:25 | MASTER-Tunka | (06h 06m 02.35s , +46d 13m 47.3s) | P- | 5 | 14.4 | 8523 | 2026-08-25 13:15:33 | MASTER-Tunka | (06h 06m 02.36s , +46d 13m 47.4s) | P- | 5 | 14.4 | 8531 | 2026-08-25 13:15:42 | MASTER-Tunka | (06h 06m 02.33s , +46d 13m 47.6s) | P- | 5 | 14.2 | 8540 | 2026-08-25 13:15:50 | MASTER-Tunka | (06h 06m 02.33s , +46d 13m 47.8s) | P- | 5 | 14.3 | 8549 | 2026-08-25 13:15:59 | MASTER-Tunka | (06h 06m 02.31s , +46d 13m 47.6s) | P- | 5 | 14.3 | 8557 | 2026-08-25 13:16:07 | MASTER-Tunka | (06h 06m 02.27s , +46d 13m 48.5s) | P- | 5 | 14.4 | 8566 | 2026-08-25 13:16:16 | MASTER-Tunka | (06h 06m 02.24s , +46d 13m 49.1s) | P- | 5 | 14.5 | 8575 | 2026-08-25 13:16:25 | MASTER-Tunka | (06h 06m 02.21s , +46d 13m 49.0s) | P- | 5 | 14.5 | 12054 | 2026-08-25 14:14:12 | MASTER-Tunka | (06h 05m 54.35s , +46d 16m 08.1s) | C | 30 | 17.1 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. [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. http : // www.pereplet.ru/lipunov/625.html View this GCN Circular online at https://gcn.nasa.gov/circulars/45441. --- To unsubscribe, open this link in a web browser: https://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6InZzbmV0LW...