Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PNV J00422646+4104000

PNV J00422646+4104000   2025 05 11.1608*  00 42 26.46 +41 04 00.0  18.78V204.1W 729S  M31       9 9

2025 05 11.1608

Jianlin Xu, Jingyuan Zhao, Mi Zhang, report discovery of a possible outburst in 2025 of M31N 2009-09a, Image obtained by 0.43-m f/6.8 Corrected Dall-Kirkham robotic telescope at Alnitak Remote Observatories in Nerpio, Spain, exposured 200s with Clear filter, around 2025 May 11.16080 UT, mag = 18.78 CV. The transient is also visible around 2025 May 11.16334 with Clear filter, image taken by the same instrument, exposured 200s, mag = 18.35 CV. Observations were made using Alnitak Remote Observatories robotic telescope network, Alnitak Research Telescope Access (ARTA) program. PS. This nova also has a possible outburst in 2018, numbered M31N 2018-12f (AT 2018lcl).