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M 33 - NGC 598     
Triangulum
Penryn, California
October 2010
FS-128 @ f 6 (ag, ST-4)
ST-2000XM  LRGB  10 minute  subs

Described by Burnham as "...a challenging object for the small telescope because of its great size and rather low surface brightness....M33 is the nearest of the Sc spirals.." (Burnham).

M33 is at 3 million light years.  The large HII region at the lower center left is the largest known in any galaxy and has the designation NGC 604.