Аннотация: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 GRB 211109A ( Fermi GBM team, GCN 31058) errorbox 2424 sec after notice time and 2450 sec after trigger time at 2021-11-09 01:20:34 UT, with upper limit up to 17.7 mag. The observations began at zenith distance = 75 deg. The sun altitude is -28.4 deg. The galactic latitude b = 4 deg., longitude l = 255 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1779459 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________| _____________________|__________ ___________|_____________________ _______________|_____|_______|___ ____|________ 2481 | 2021-11-09 01:20:34 | MASTER- Kislovodsk | (08h 15m 26.97s , -30d 56m 58.4s) | C | 60 | 16.8 | 2481 | 2021-11-09 01:20:34 | MASTER-Kislovodsk | (08h 20m 10.07s , -31d 21m 55.0s) | C | 60 | 17.6 | 2561 | 2021-11-09 01:21:55 | MASTER-Kislovodsk | (08h 23m 30.65s , -29d 02m 47.5s) | C | 60 | 16.9 | 2561 | 2021-11-09 01:21:55 | MASTER-Kislovodsk | (08h 28m 08.95s , -29d 27m 41.8s) | C | 60 | 17.7 | 2641 | 2021-11-09 01:23:15 | MASTER-Kislovodsk | (08h 07m 46.58s , -32d 49m 13.3s) | C | 60 | 16.6 | 2641 | 2021-11-09 01:23:15 | MASTER-Kislovodsk | (08h 12m 34.87s , -33d 14m 11.3s) | C | 60 | 17.4 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.