Bit late sorry but heres some food for thought.
Have you seen the C14 pics taken by Nial on AStrobin ? Hes done a few DSO pics lately so check em out.
https://www.astrobin.com/k37d19/
Hi planetary pics show how the C14 reigns supreme for solar system stuff.
Consider QHY cameras - seen Peter Wards pics lately lately? If you want full frame with 120,000 FW depth and 24Mp look at the review of the 410c by Tony Hallas.
https://astronomy.com/magazine/produ...hout-the-noise
Modern DSLRs are good but uncooled ...
Cheers
GlennB