NGC 1097

(click image for zoomable view)

Inverted Luminance highlighting tidal streams

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
23 hours exposure over 17 nights, 22 Sep 2017 - 14 Jan 2018
R:G:B 8h15m:7h30m:7h15m (33x15m : 30x15m : 29x15m) binned 1:1:1
Captured with: Home-brewed observatory automation and image aquisition software
Processed with PixInsight