Swift GRB240725.11: 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 GRB240725.11 (trigger No 1244778,19h 56m 12.96s , -64d 40m 00.1s, R=0.05) errorbox 337 sec after notice time and 359 sec after trigger time at 2024-07-25 02:43:35 UT, with upper limit up to 18.9 mag. The observations began at zenith distance = 51 deg. The sun altitude is -35.6 deg. The galactic latitude b = -32 deg., longitude l = 332 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2540207 We obtain a following upper limits. Tmid-T0 | Site |Filt.| Expt. | Limit| Comment _________|_____________________|_____|_______|______|________ 449 | MASTER-SAAO | C | 180 | 18.9 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.