Arp 104, Keenan's system, NGC 5216 / NGC 5218
Optics: AG Optical 12.5" iDK @ f/6.7 l=2130mm
Camera: QSI 640wsg-8 @ -31C
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: near Animas, New Mexico
21.75 hours exposure over 17 nights, 26 Feb - 2 May 2017
R:G:B 7h15m:7h15m:7h15m (29x15m : 29x15m : 29x15m) binned 1:1:1
Captured with: Home-brewed observatory automation and image aquisition software
Processed with PixInsight