IC 1805 Nikon 180 mm

IC 1805 with 180 mm lens on ST-10
Nikon 180 mm lens attached to SBIG ST-10ME with Mandel WideField Adapter

H-alpha: 8 exposures of 20 min each at f/5.6 combined with 11 exposures of 15 min at f/8
Corvallis, OR
Oct 2002
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