Swift GRB231205.70: Global MASTER-Net observations report

MASTER-SAAO robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in South Africa (South African Astronomical Observatory) was pointed to the Swift GRB231205.70 (trigger No 1200812,03h 36m 36.96s , +27d 08m 45.6s, R=0.05) errorbox 8923 sec after notice time and 9002 sec after trigger time at 2023-12-05 19:14:01 UT, with upper limit up to 17.6 mag. The observations began at zenith distance = 66 deg. The sun altitude is -18.4 deg. The galactic latitude b = -22 deg., longitude l = 163 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2325501 We obtain a following upper limits. Tmid-T0 | Site |Filt.| Expt. | Limit| Comment _________|_____________________|_____|_______|______|________ 9092 | MASTER-SAAO | C | 180 | 17.6 | 9092 | MASTER-SAAO | C | 180 | 16.9 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.