The Great Hercules Cluster (Messier 13)
M13
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Winchester Electronics
Imager Paul Zelichowski Exposure 37 x 60 sec & 25 x 60 sec HX916
20 minutes Fuji Superia 800 film
Date 2002 Scope 10" f/4.5 on Losmandy G11 retrofitted with
Astrometric Skywalker 2 GOTO system
Location Starbase Two, Tiverton, Ontario, Canada Camera Starlight Xpress HX916
Notes Luminance and colour layers combined with RegiStar.
Winchester Electronics