NGC7789 - Open Cluster in Cassiopeia
Description: NGC7789 - open cluster of about 255 stars in Cassiopeia. Magnitude 6.7 and 15 arc minutes in size. About half the size of the full moon and is nice in binoculars. ALso known as Herschel H VI-30. Camera: Canda Technologies dry-ice cold camera Film: Fujichrome 400 Scope: Meade 2080 8" SCT @F10 Exposure: 30 minutes Location: Wilson Coulee Observatory, Alberta. Date: 15 September 1987

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