Barnard 20 is a dark nebula in the constellation Perseus, located in the northwest corner of this constellation. The main identifying part is centered with associated matter covering most of the field of view. Sharpless 2-211 (Sh2-211 or LBN 717) and NGC 1624 (Sh2-212 or LBN 722) are the red colored HII regions also visible.

Telescope: Planewave Delta Rho 350 f3.0
Mount: Astro Physics 3600GTO “El Capitan”
Camera: ZWO ASI461MM pro / EFW-7
Guider: ZWO OAG-L-68 / ZWO ASI174mm Mini
Filters: Astrodon II 50mm Sq LRGB

L: 116×5 mins = 580 mins, R: 48×5 mins = 240 mins, G: 48×5 mins = 240 mins, B: 48×5 mins = 240 mins

Total Imaging Time: 21h 40m

Data Imaged remotely on 6 nights during November & December, 2025.
Data acquisition & Processing by David Churchill.

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