26-27 Aug 2023, M31

Telescope: StellaLyra 8" f/4 (800mm) Newtonian Reflector without coma corrector
Camera: Pentax K-1, ISO 3200
Mount: iOptron CEM40
No guide scope

This is the RAW of M31. No coma corrector, so the stars at the edge are in oval shape.

After some process

After 180 degree turn around.