Аннотация:MASTER-Tavrida robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the Fermi GRB210210.59 (trigger No 634659312,19h 29m 52.80s , +36d 35m 24.0s, R=7.78) errorbox 32080 sec after notice time and 32122 sec after trigger time at 2021-02-10 23:10:29 UT, with upper limit up to 16.8 mag. The observations began at zenith distance = 79 deg. The sun altitude is -56.3 deg. The galactic latitude b = 9 deg., longitude l = 70 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1544431 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________| _____________________|__________ ___________|_____________________ _______________|_____|_______|___ ____|________ 32152 | 2021-02-10 23:10:29 | MASTER- Tavrida | (18h 56m 17.10s , +42d 11m 02.9s) | C | 60 | 16.4 | 32152 | 2021-02-10 23:10:29 | MASTER-Tavrida | (19h 04m 14.13s , +42d 08m 41.4s) | C | 60 | 16.0 | 32319 | 2021-02-10 23:13:15 | MASTER-Tavrida | (19h 11m 33.26s , +44d 11m 30.3s) | C | 60 | 16.8 | 32319 | 2021-02-10 23:13:16 | MASTER-Tavrida | (19h 19m 46.16s , +44d 09m 13.2s) | C | 60 | 14.7 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.