Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PNV J00424653+4118072

PNV J00424653+4118072   2025 07 31.6034*  00 42 46.53 +41 18 07.2  16.1 U   25E 119N  M31       I 0

2025 07 31.6282

Follow-up photometry V mag =16.0. position end figures 46s.56, 07".3 using 0.30-m f/4.0 reflector + V filter CMOS. This object was probably AT2025sro, It is brightening. observed by K. Yoshimoto, Yamaguchi, Japan.

2025 07 31.1187

This object is identical with AT 2025sro (Vend62) discovered by Róbert Fidrich and Tamás Tordai (HAA/VSS) at 18.3 magnitudes on July 31.01187UT, using 4x90s co-added images made with a 0.43 m Dall-Kirkham telescope at Alnitak Remote Observatory, Sierra del Segura, SpaiN, with Luminance filter. The discovery was made using the Alnitak Remote Observatories robotic telescope network, ARTA program. The object brightened significantly during the day. More details: https://vendegcsillagkereso.blogspot.com/2025/07/vend62-another-possible-nova-in-m31.html -- Robert Fidrich, Budakeszi, Hungary.