Swift GRB241127.91: 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 GRB241127.91 (trigger No 1270788,21h 51m 41.28s , -56d 41m 06.0s, R=0.05) errorbox 11 sec after notice time and 35 sec after trigger time at 2024-11-27 21:43:51 UT, with upper limit up to 18.3 mag. The observations began at zenith distance = 61 deg. The sun altitude is -35.8 deg. The galactic latitude b = -47 deg., longitude l = 337 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2686277 We obtain a following upper limits. Tmid-T0 | Site |Filt.| Expt. | Limit| Comment _________|_____________________|_____|_______|______|________ 41 | MASTER-SAAO | C | 10 | 13.0 | 56 | MASTER-SAAO | C | 40 | 17.9 | Coadd 70 | MASTER-SAAO | C | 10 | 17.5 | 104 | MASTER-SAAO | C | 20 | 17.9 | 143 | MASTER-SAAO | C | 20 | 16.7 | 178 | MASTER-SAAO | C | 90 | 18.3 | Coadd 187 | MASTER-SAAO | C | 30 | 17.7 | 241 | MASTER-SAAO | C | 40 | 17.9 | 305 | MASTER-SAAO | C | 50 | 15.7 | 379 | MASTER-SAAO | C | 60 | 14.9 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.