M31 Andromeda

Decided to brave the -13°C frost and head to the suburbs to tinker with the gear. January 15, 2023, Kazan, Russia, 19:00–21:30, -13°C TS 152/450 F2.9 (Starizona 0.75x), ZWO 533MC, ZWO IR cut, EQ6, 8x50 + QHY5L-II-M guider. Guiding with PHD2, capturing with APT. 31×240 sec, gain 105, offset 10, -15°C. 50 darks, 50 flats, dithering every frame. Orange light pollution zone, 14 km from the city of Kazan (population over 1 million). Total integration: 2 hours 4 minutes.