Helena Observatory,   North Alton, NS

Stephan's Quintet (NGC 7317-7320)

01-Mar-2024 14:31 AST 01-Mar-2024 18:31 UTC

Stephan's Quintet (NGC 7317-7320), 2-Sep-2011

Scope: Orion 200mm Astrograph, f/4
Mount: HEQ5
Guiding: none
Imaging Camera: Canon 350D (modified)
ISO: 1600
Frames: 46 @ 1m0s
Total Exposure: 45m26s
Processing: DSS, PixInsight
Distance: 300 Mly (NGCs 7317, 7318A, 7318B, 7319, 7320C); 40 Mly (NGC 7320)
NGC 7320, at the 5 o'clock position, is a foreground object, part of the Deer Lick Group. The remaining galaxies are a physical association, with a collision in progress.
Reprocessed 2013-01-27.