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NGC 4725, One-armed spiral galaxy in Coma Berenices

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: Animas, New Mexico
19 hours exposure over 10 nights, 3 April - 3 May 2016
L:R:G:B 11h:2h30m:2h50m:2h50m (33x20m : 15x10m : 17x10m : 17x10m) binned 1:2:2:2
Captured with: Home-brewed observatory automation and image aquisition software
Processed with PixInsight