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Abell 2151, Galaxy Cluster in Hercules

Other sizes: 1024x931 2048x1863

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 hours exposure over 13 nights, 16 Jun 2017 - 18 May 2018
R:G:B 7h30m:6h45m:6h45m (30x15m : 27x15m : 27x15m) binned 1:1:1
Captured with: Home-brewed observatory automation and image aquisition software
Processed with PixInsight