Helena Observatory,   North Alton, NS

Stephan's Quintet (NGC 7317-7320)

15-May-2026 09:05 ADT 15-May-2026 12:05 UTC

We are moving! In preparation for that, observations, both meteorological and astronomical, will be discontinued.
They will resume once we have settled in at the new location in Tupperville, likely in July.


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.