This is Messier 101, first light with my new CEM70G Mount. It was captured on January 29th 2023. I used a Celestron Edge HD 925 with a 0.7 reducer, an ASI 2600MC Pro. I managed to get 4 hours, 15 minutes total exposure time, with 51 x 300s subs. I processed it in Siril, Starnet and GIMP.