M100, Messier 100, Spiral Galaxy in Coma Berenices
Annotated image here.
Optics: AG Optical 12.5" iDK @ f/6.7 l=2130mm
Camera: QSI 640wsg-8 @ -25C
Filters: Astrodon LRGB
Mount: Astro-Physics AP 1100GTO
AO: Starlight Xpress Active Optics SXV-AO-LF
Guiding: OAG with Starlight Xpress Lodestar X2 Auto Guider / PHD2 Guiding
Location: Rancho Hidalgo, near Animas, New Mexico
12.6 hours exposure over 3 nights, 27 Mar - 2 Apr 2016
L:R:G:B 7h20m:1h50:1h50:1h40m (22x20m : 11x10m : 11x10m : 10x10m) binned 1:2:2:2
Captured with home-brewed image acquisition application
Processed with PixInsight