Oct 19, 2025 re-shoot of M31 using my new ASI2600MC camera and Antlia Triband RGB Ultra filter, Askar FRA500 90mm scope, EQ6R mount, ASIAIR PLUS. 8.1 hours of subs:
Ha 26 X 450sec Gain100
TBRGB 156 x 120sec Gain100
Processed in PixInsight