IceCube Alert 240725.22: Global MASTER-Net observations report

MASTER-Amur robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Russia (Blagoveshchensk State Pedagogical University) was pointed to the IceCube Alert 240725.22 (trigger No 1723093,04h 03m 52.08s , +48d 49m 44.4s, R=0.64) errorbox 28094 sec after notice time and 28146 sec after trigger time at 2024-07-25 13:00:44 UT, with upper limit up to 14.9 mag. Observations started at twilight. The observations began at zenith distance = 78 deg. The sun altitude is -12.3 deg. The galactic latitude b = -2 deg., longitude l = 153 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2540295 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 28236 | 2024-07-25 13:00:44 | MASTER-Amur | (03h 59m 37.20s , +49d 22m 29.3s) | C | 180 | 13.0 | 28436 | 2024-07-25 13:04:03 | MASTER-Amur | (03h 59m 30.54s , +49d 21m 32.6s) | C | 180 | 14.9 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.