M31
25 - 10 min exposures
Lens : 105mm F6 AP TRAVELER at ISO 800 with Field Flattener
Flat Field = Average of 60 images
Dark Frame = Average of 10 images
Images stacked using IMAGES PLUS

PRE-IMAGES PLUS
Copyright 2015 Brad D Wallis
This Image may be used for personal, non-profit, or educational uses ONLY
Any other uses are expressly prohibited without the written consent of Brad D Wallis