With the moon dominating the night sky , thought I would image M4 which I haven’t done before. It’s a beautiful little cluster in the constellation of Scorpius and at magnitude 5.9, I was struggling to push past 1 minute exposures as the histogram was pushing towards half way due to lunar glare and my neighbours Las Vegas exterior lighting
60 x 1 minute dithered guided subs
15 x darks
ISO 800
Canon 600D with Baader coma corrector
Stacked in DSS
Processed in Startools
Guiding was poor at 1.50 to 2.00 arc sec ( kept hunting for a better guide star throughout the session )