Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PNV J00422300+4116197

PNV J00422300+4116197   2025 05 20.1526*  00 42 23.00 +41 16 19.7  18.09U240.4W11.2N  M31       9 2

2025 05 20.1526

Ziyang Mai, Jingyuan Zhao, Jianlin Xu, Mi Zhang report discovery of a possible nova in M31. Images obtained by 0.43-m f/6.8 Corrected Dall-Kirkham robotic telescope at Alnitak Remote Observatories in Nerpio, Spain, exposured 2×200s with Clear filter, around 2025 May 20.1526 UT, mag = 18.09 CV. Observations were made using Alnitak Remote Observatories robotic telescope network, Alnitak Research Telescope Access (ARTA) program.

2025 05 26.1420

PNV J00422300+4116197 = AT 2025kvc = M31N 2025-05d has brightened to 15.86 CV. Images obtained by 0.43-m f/6.8 Corrected Dall-Kirkham robotic telescope, exposured 2×200s with Clear filter. Observations were made using Alnitak Remote Observatories robotic telescope network, Alnitak Research Telescope Access (ARTA) program. ---------------- Jingyuan Zhao