TITLE: GCN CIRCULAR NUMBER: 30314 SUBJECT: Fermi trigger No 646189108: Global MASTER-Net observations report DATE: 21/06/24 18:30:08 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs V. Lipunov, E. Gorbovskoy, V.Kornilov, N.Tyurina, P.Balanutsa, A.Kuznetsov, F.Balakin, V.Vladimirov, D. Vlasenko, I.Gorbunov, D.Zimnukhov, V.Senik, T.Pogrosheva, D.Kuvshinov, D. Cheryasov (Lomonosov Moscow State University, SAI, Physics Department), R. Podesta, C.Lopez, F. Podesta, C.Francile (Observatorio Astronomico Felix Aguilar OAFA), R. Rebolo, M. Serra (The Instituto de Astrofisica de Canarias), D. Buckley (South African Astronomical Observatory), O.A. Gres, N.M. Budnev, O.Ershova (Irkutsk State University, API), A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory), V. Yurkov, A. Gabovich, Yu. Sergienko (Blagoveschensk Educational State University) MASTER-Kislovodsk robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the Fermi GRB210624.04 (trigger No 646189108,07h 57m 16.80s , +87d 06m 36.0s, R=4.64) errorbox 13861 sec after notice time and 62351 sec after trigger time at 2021-06-24 18:17:34 UT, with upper limit up to 16.7 mag. Observations started at twilight. The observations began at zenith distance = 48 deg. The sun altitude is -12.3 deg. The galactic latitude b = 28 deg., longitude l = 126 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1643923 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 50328 | 2021-06-24 14:57:07 | MASTER- | (08h 41m 28.31s , +87d 59m 57.9s) | C | 5 | 14.6 | 50328 | 2021-06-24 14:57:07 | MASTER- | (14h 58m 55.32s , +88d 50m 29.7s) | C | 5 | 15.1 | 50356 | 2021-06-24 14:57:36 | MASTER- | (05h 04m 31.66s , +83d 59m 49.7s) | C | 5 | 14.5 | 50356 | 2021-06-24 14:57:36 | MASTER- | (06h 31m 16.87s , +85d 15m 34.9s) | C | 5 | 14.7 | 51879 | 2021-06-24 15:22:52 | MASTER- | (07h 56m 10.77s , +86d 06m 39.6s) | C | 20 | 15.1 | 51879 | 2021-06-24 15:22:52 | MASTER- | (10h 23m 33.53s , +87d 20m 57.0s) | C | 20 | 14.1 | 51913 | 2021-06-24 15:23:31 | MASTER- | (07h 48m 31.85s , +84d 11m 44.3s) | C | 10 | 16.3 | 51913 | 2021-06-24 15:23:31 | MASTER- | (09h 18m 20.81s , +85d 28m 51.5s) | C | 10 | 15.4 | 51938 | 2021-06-24 15:23:56 | MASTER- | (08h 42m 09.97s , +87d 58m 30.8s) | C | 10 | 15.8 | 51938 | 2021-06-24 15:23:56 | MASTER- | (14h 50m 54.98s , +88d 49m 32.1s) | C | 10 | 16.5 | 51993 | 2021-06-24 15:24:48 | MASTER- | (05h 56m 35.32s , +85d 03m 20.5s) | C | 15 | 15.5 | 51993 | 2021-06-24 15:24:48 | MASTER- | (04h 43m 57.06s , +83d 30m 51.4s) | C | 15 | 15.3 | 52022 | 2021-06-24 15:25:16 | MASTER- | (05h 02m 24.83s , +86d 55m 02.2s) | C | 15 | 16.0 | 52022 | 2021-06-24 15:25:16 | MASTER- | (03h 14m 33.12s , +85d 21m 10.7s) | C | 15 | 16.1 | 52101 | 2021-06-24 15:26:36 | MASTER- | (10h 36m 50.06s , +84d 23m 07.5s) | C | 15 | 16.0 | 52101 | 2021-06-24 15:26:36 | MASTER- | (12h 10m 25.54s , +85d 41m 30.3s) | C | 15 | 16.4 | 52131 | 2021-06-24 15:27:06 | MASTER- | (12h 26m 16.30s , +86d 20m 37.1s) | C | 15 | 15.0 | 52131 | 2021-06-24 15:27:06 | MASTER- | (15h 07m 46.21s , +87d 31m 01.7s) | C | 15 | 16.0 | 52154 | 2021-06-24 15:27:29 | MASTER- | (12h 26m 15.10s , +86d 20m 37.1s) | C | 15 | 14.5 | 52154 | 2021-06-24 15:27:29 | MASTER- | (15h 07m 42.31s , +87d 30m 58.9s) | C | 15 | 15.5 | 52203 | 2021-06-24 15:28:18 | MASTER- | (23h 40m 33.17s , +88d 45m 00.4s) | C | 15 | 15.8 | 52203 | 2021-06-24 15:28:18 | MASTER- | (19h 00m 46.86s , +87d 30m 11.2s) | C | 15 | 15.0 | 52232 | 2021-06-24 15:28:47 | MASTER- | (09h 48m 37.86s , +82d 24m 41.8s) | C | 15 | 14.2 | 52232 | 2021-06-24 15:28:47 | MASTER- | (10h 54m 39.82s , +83d 44m 12.7s) | C | 15 | 14.4 | 54176 | 2021-06-24 16:01:09 | MASTER- | (07h 57m 37.86s , +86d 05m 17.9s) | C | 20 | 14.8 | 54176 | 2021-06-24 16:01:09 | MASTER- | (10h 23m 08.81s , +87d 17m 33.2s) | C | 20 | 15.3 | 54207 | 2021-06-24 16:01:40 | MASTER- | (07h 49m 27.21s , +84d 10m 07.9s) | C | 20 | 15.8 | 54207 | 2021-06-24 16:01:40 | MASTER- | (09h 18m 43.66s , +85d 25m 39.5s) | C | 20 | 14.6 | 54254 | 2021-06-24 16:02:27 | MASTER- | (08h 44m 10.66s , +87d 56m 39.1s) | C | 20 | 15.7 | 54254 | 2021-06-24 16:02:27 | MASTER- | (14h 41m 09.62s , +88d 47m 42.1s) | C | 20 | 15.8 | 54306 | 2021-06-24 16:03:19 | MASTER- | (05h 58m 08.26s , +85d 02m 48.6s) | C | 20 | 15.9 | 54339 | 2021-06-24 16:03:52 | MASTER- | (03h 15m 43.08s , +85d 22m 13.1s) | C | 20 | 13.3 | 54339 | 2021-06-24 16:03:52 | MASTER- | (05h 05m 04.96s , +86d 55m 12.1s) | C | 20 | 15.9 | 54409 | 2021-06-24 16:05:02 | MASTER- | (07h 46m 36.63s , +82d 14m 46.2s) | C | 20 | 15.2 | 54409 | 2021-06-24 16:05:02 | MASTER- | (08h 51m 08.64s , +83d 31m 39.5s) | C | 20 | 13.8 | 54447 | 2021-06-24 16:05:40 | MASTER- | (10h 36m 30.01s , +84d 19m 33.9s) | C | 20 | 14.9 | 54447 | 2021-06-24 16:05:40 | MASTER- | (12h 09m 05.34s , +85d 36m 21.5s) | C | 20 | 15.1 | 54495 | 2021-06-24 16:06:28 | MASTER- | (12h 25m 09.39s , +86d 17m 27.7s) | C | 20 | 15.9 | 54495 | 2021-06-24 16:06:28 | MASTER- | (15h 04m 06.15s , +87d 29m 28.1s) | C | 20 | 16.2 | 54523 | 2021-06-24 16:06:56 | MASTER- | (12h 25m 09.47s , +86d 17m 27.0s) | C | 20 | 16.1 | 54523 | 2021-06-24 16:06:56 | MASTER- | (15h 04m 04.68s , +87d 29m 28.5s) | C | 20 | 16.3 | 54566 | 2021-06-24 16:07:39 | MASTER- | (23h 45m 53.81s , +88d 47m 30.8s) | C | 20 | 16.3 | 54566 | 2021-06-24 16:07:39 | MASTER- | (18h 56m 38.48s , +87d 33m 02.7s) | C | 20 | 16.3 | 54611 | 2021-06-24 16:08:24 | MASTER- | (09h 48m 44.43s , +82d 21m 25.9s) | C | 20 | 15.5 | 54611 | 2021-06-24 16:08:24 | MASTER- | (10h 54m 31.62s , +83d 39m 58.0s) | C | 20 | 14.4 | 54647 | 2021-06-24 16:09:00 | MASTER- | (08h 36m 13.12s , +81d 37m 51.1s) | C | 20 | 14.6 | 54751 | 2021-06-24 16:10:44 | MASTER- | (06h 40m 25.08s , +81d 17m 16.5s) | C | 20 | 16.1 | 54800 | 2021-06-24 16:11:33 | MASTER- | (00h 59m 40.16s , +86d 55m 54.8s) | C | 20 | 15.9 | 54893 | 2021-06-24 16:13:06 | MASTER- | (13h 28m 50.73s , +84d 29m 55.8s) | C | 20 | 15.5 | 54893 | 2021-06-24 16:13:06 | MASTER- | (15h 05m 50.35s , +85d 45m 25.9s) | C | 20 | 15.6 | 54936 | 2021-06-24 16:13:49 | MASTER- | (10h 13m 27.14s , +81d 46m 30.6s) | C | 20 | 16.4 | 54989 | 2021-06-24 16:14:42 | MASTER- | (18h 41m 13.72s , +87d 19m 23.0s) | C | 20 | 16.7 | 54989 | 2021-06-24 16:14:42 | MASTER- | (16h 27m 38.96s , +85d 53m 22.6s) | C | 20 | 16.6 | 55038 | 2021-06-24 16:15:31 | MASTER- | (12h 59m 48.51s , +83d 46m 24.0s) | C | 20 | 16.3 | 55038 | 2021-06-24 16:15:31 | MASTER- | (11h 53m 15.12s , +82d 26m 28.7s) | C | 20 | 16.6 | 55087 | 2021-06-24 16:16:20 | MASTER- | (23h 08m 43.91s , +87d 05m 48.5s) | C | 20 | 16.7 | 55478 | 2021-06-24 16:22:51 | MASTER- | (02h 32m 19.30s , +88d 41m 36.7s) | C | 20 | 15.6 | 55478 | 2021-06-24 16:22:51 | MASTER- | (22h 17m 44.79s , +87d 21m 00.2s) | C | 20 | 16.0 | 55517 | 2021-06-24 16:23:30 | MASTER- | (23h 42m 00.87s , +88d 47m 28.2s) | C | 20 | 16.2 | 55517 | 2021-06-24 16:23:30 | MASTER- | (18h 55m 49.75s , +87d 32m 43.5s) | C | 20 | 16.1 | 55567 | 2021-06-24 16:24:20 | MASTER- | (10h 54m 58.52s , +83d 40m 57.9s) | C | 20 | 14.2 | 55567 | 2021-06-24 16:24:20 | MASTER- | (09h 49m 00.66s , +82d 23m 25.7s) | C | 20 | 15.3 | 55606 | 2021-06-24 16:24:58 | MASTER- | (08h 36m 21.18s , +81d 37m 55.7s) | C | 20 | 14.2 | 55657 | 2021-06-24 16:25:49 | MASTER- | (03h 17m 56.22s , +85d 03m 58.8s) | C | 20 | 15.7 | 55709 | 2021-06-24 16:26:42 | MASTER- | (06h 40m 48.95s , +81d 18m 03.1s) | C | 20 | 16.0 | 55737 | 2021-06-24 16:27:10 | MASTER- | (06h 40m 49.06s , +81d 18m 01.3s) | C | 20 | 16.3 | 55778 | 2021-06-24 16:27:51 | MASTER- | (04h 24m 56.87s , +83d 06m 52.6s) | C | 20 | 16.6 | 55824 | 2021-06-24 16:28:37 | MASTER- | (13h 28m 42.31s , +84d 29m 04.2s) | C | 20 | 16.9 | 55824 | 2021-06-24 16:28:37 | MASTER- | (15h 05m 18.84s , +85d 44m 29.3s) | C | 20 | 16.4 | 55869 | 2021-06-24 16:29:21 | MASTER- | (10h 13m 25.03s , +81d 44m 01.3s) | C | 20 | 15.9 | 55922 | 2021-06-24 16:30:14 | MASTER- | (18h 41m 01.78s , +87d 21m 24.7s) | C | 20 | 16.9 | 55922 | 2021-06-24 16:30:14 | MASTER- | (16h 26m 36.77s , +85d 55m 13.5s) | C | 20 | 16.7 | 55976 | 2021-06-24 16:31:08 | MASTER- | (11h 53m 08.72s , +82d 25m 49.4s) | C | 20 | 15.9 | 55976 | 2021-06-24 16:31:08 | MASTER- | (12h 59m 33.55s , +83d 45m 35.9s) | C | 20 | 15.9 | 56012 | 2021-06-24 16:31:45 | MASTER- | (23h 08m 41.31s , +87d 07m 14.1s) | C | 20 | 16.7 | 56164 | 2021-06-24 16:34:16 | MASTER- | (00h 37m 31.66s , +85d 05m 57.1s) | C | 20 | 16.0 | 56713 | 2021-06-24 16:43:26 | MASTER- | (04h 25m 57.70s , +83d 10m 16.9s) | C | 20 | 17.1 | 56749 | 2021-06-24 16:44:02 | MASTER- | (13h 28m 20.86s , +84d 25m 55.7s) | C | 20 | 17.4 | 56749 | 2021-06-24 16:44:02 | MASTER- | (15h 04m 03.28s , +85d 42m 45.9s) | C | 20 | 16.9 | 56791 | 2021-06-24 16:44:44 | MASTER- | (10h 13m 34.18s , +81d 44m 32.9s) | C | 20 | 16.7 | 56833 | 2021-06-24 16:45:26 | MASTER- | (18h 39m 57.78s , +87d 21m 07.4s) | C | 20 | 17.4 | 56833 | 2021-06-24 16:45:26 | MASTER- | (16h 26m 05.12s , +85d 55m 00.5s) | C | 20 | 17.1 | 56894 | 2021-06-24 16:46:27 | MASTER- | (11h 53m 14.09s , +82d 23m 42.4s) | C | 20 | 17.2 | 56894 | 2021-06-24 16:46:27 | MASTER- | (12h 59m 17.62s , +83d 43m 08.1s) | C | 20 | 17.5 | 56931 | 2021-06-24 16:47:03 | MASTER- | (23h 07m 58.89s , +87d 06m 39.3s) | C | 20 | 17.4 | 57075 | 2021-06-24 16:49:28 | MASTER- | (00h 37m 59.00s , +85d 08m 12.2s) | C | 20 | 17.0 | 62381 | 2021-06-24 18:17:34 | MASTER-Kislovodsk | (08h 47m 37.08s , +86d 39m 50.0s) | C | 60 | 16.3 | 62381 | 2021-06-24 18:17:34 | MASTER-Kislovodsk | (07h 32m 18.67s , +86d 45m 52.5s) | C | 60 | 16.7 | 62461 | 2021-06-24 18:18:54 | MASTER-Kislovodsk | (08h 22m 39.66s , +84d 42m 24.1s) | C | 60 | 12.7 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.