Filters used:
L/R/G/B/Ha 
Image: M31 - Andromeda Galaxy
Scope - Mount: Celestron HD11 @
f/2 - Celestron CGE mount
Constellation: Andromeda
Camera:
QSI 583wsg
Imaged at: Anza, CA
Total Exposure Time: 140
minutes total (LHaRGB)
Date imaged: Aug. 2, 2013
Approximate FOV: 110' x 83'
Guided?: PHD w/SX
Lodestar
I reprocessed this image in
Feb. 2024. The original star
alignment was not good.