TITLE: GCN CIRCULAR NUMBER: 25990 SUBJECT: Swift GRB191011.19: Global MASTER-Net observations report DATE: 19/10/11 05:29:43 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 (Lomonosov Moscow State University, SAI, Physics Department), R. Podesta, C.Lopez, F. Podesta, C.Francile (Observatorio Astronomico Felix Aguilar OAFA), H.Levato (Instituto de Ciencias Astronomicas, de la Tierra y del Espacio ICATE), 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-IAC robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Spain (IAC Teide Observatory) was pointed to the Swift GRB191011.19 (trigger No 928924,02h 58m 53.640s , -27d 50m 41.28s, R=0.05) errorbox 67 sec after trigger time at 2019-10-11 04:37:04 UT, with upper limit up to 20.0 mag. The observations began at zenit distance = 62 deg. The sun altitude is -32.4 deg. MASTER-OAFA robotic telescope located in Argentina (OAFA observatory of San Juan National University) was pointed to the Swift GRB191011.19 errorbox 85 sec after trigger time at 2019-10-11 04:37:21 UT, with upper limit up to 18.3 mag. The observations began at zenit distance = 21 deg. The sun altitude is -52.0 deg. The galactic latitude b = -60 deg., longitude l = 98 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1163457 We obtain a following upper limits. Tmid-T0 | Site |Filt.| Expt. | Limit| Comment _________|_____________________|_____|_______|______|________ 73 | MASTER-IAC | P| | 10 | 16.9 | 98 | MASTER-IAC | P| | 60 | 18.1 | Coadd 438 | MASTER-IAC | P| | 740 | 20.0 | Coadd 73 | MASTER-IAC | P- | 10 | 16.5 | 98 | MASTER-IAC | P- | 60 | 17.7 | Coadd 438 | MASTER-IAC | P- | 740 | 19.6 | Coadd 95 | MASTER-OAFA | C | 20 | 16.3 | 130 | MASTER-OAFA | C | 90 | 17.2 | Coadd 410 | MASTER-OAFA | C | 650 | 18.3 | Coadd 125 | MASTER-IAC | P| | 20 | 17.6 | 125 | MASTER-IAC | P- | 20 | 17.0 | 164 | MASTER-OAFA | C | 30 | 16.2 | 174 | MASTER-IAC | P- | 30 | 17.2 | 174 | MASTER-IAC | P| | 30 | 17.8 | 232 | MASTER-IAC | P- | 40 | 17.5 | 297 | MASTER-IAC | P- | 170 | 18.5 | Coadd 232 | MASTER-IAC | P| | 40 | 18.0 | 297 | MASTER-IAC | P| | 170 | 18.9 | Coadd 243 | MASTER-OAFA | C | 40 | 16.6 | 311 | MASTER-IAC | P- | 60 | 17.8 | 311 | MASTER-IAC | P| | 60 | 18.2 | 338 | MASTER-OAFA | C | 60 | 16.8 | 433 | MASTER-OAFA | C | 250 | 17.6 | Coadd 400 | MASTER-IAC | P| | 70 | 18.4 | 400 | MASTER-IAC | P- | 70 | 17.8 | 451 | MASTER-OAFA | C | 80 | 16.5 | 499 | MASTER-IAC | P| | 90 | 18.6 | 624 | MASTER-IAC | P| | 340 | 19.5 | Coadd 499 | MASTER-IAC | P- | 90 | 18.3 | 624 | MASTER-IAC | P- | 340 | 19.3 | Coadd 588 | MASTER-OAFA | C | 110 | 17.2 | 621 | MASTER-IAC | P| | 110 | 18.5 | 621 | MASTER-IAC | P- | 110 | 18.4 | 756 | MASTER-OAFA | C | 140 | 17.4 | 931 | MASTER-OAFA | C | 490 | 18.1 | Coadd 766 | MASTER-IAC | P| | 140 | 18.7 | 766 | MASTER-IAC | P- | 140 | 18.5 | 940 | MASTER-IAC | P| | 170 | 18.9 | 1120 | MASTER-IAC | P| | 530 | 19.1 | Coadd 940 | MASTER-IAC | P- | 170 | 18.6 | 1120 | MASTER-IAC | P- | 530 | 18.9 | Coadd 956 | MASTER-OAFA | C | 170 | 17.5 | 1134 | MASTER-IAC | P| | 180 | 19.0 | 1134 | MASTER-IAC | P- | 180 | 18.6 | 1175 | MASTER-OAFA | C | 180 | 17.4 | 1382 | MASTER-IAC | P- | 180 | 18.6 | 1383 | MASTER-IAC | P| | 180 | 19.0 | 1399 | MASTER-OAFA | C | 180 | 17.0 | 1579 | MASTER-OAFA | C | 540 | 17.3 | Coadd 1625 | MASTER-OAFA | C | 180 | 16.5 | 1628 | MASTER-IAC | P| | 180 | 19.0 | 1628 | MASTER-IAC | P- | 180 | 18.7 | 1848 | MASTER-OAFA | C | 180 | 16.8 | 1873 | MASTER-IAC | P| | 180 | 19.0 | 1873 | MASTER-IAC | P- | 180 | 18.7 | 2068 | MASTER-OAFA | C | 180 | 16.9 | 2121 | MASTER-IAC | P| | 180 | 19.0 | 2121 | MASTER-IAC | P- | 180 | 18.8 | 2293 | MASTER-OAFA | C | 180 | 15.0 | 2372 | MASTER-IAC | P- | 180 | 18.7 | 2372 | MASTER-IAC | P| | 180 | 19.1 | 2516 | MASTER-OAFA | C | 180 | 12.8 | 2620 | MASTER-IAC | P- | 180 | 18.8 | 2620 | MASTER-IAC | P| | 180 | 19.0 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.