First test of the old 10 inch Newtonian I picked up. Focuser and dovetail were a mess, but with some work it could be good. Optically pretty sound though.

Object ID M31 Andromeda galaxy
Mag. 3.44, Size 3.1 x 1 degrees
Details 2018-10-11 22:26 – 23:49 UT
Telescope 250mm f4.8 Newtonian, MPCC
IDAS P2 LPR filter
Camera Atik 460EX, Baader LRGB  filters
Exposure(s) L 16x120s 1×1, RGB 10x60s 2×2 each
Capture APT
Processing Nebulosity 4, Photoshop