IC 1805 in H-alpha
20 - 10.5 min exposures using #29 filter
Lens : 200mm F3.5 at ISO 800
Dark Frame = Average of 10 images
Images stacked using IDL program by BDW
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