M101 - The Pinwheel Galaxy

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Date: 8 April 2010
Location: Riberac, France
Exposure: 36 x 5 minutes
Telescope: Takahashi Epsilon 180ED on Skywatcher EQ6 mount.
Camera: H-alpha modified Canon EOS 350D
Guiding: Nikkor 300mm lens with x2 teleconverter & modified Toucam webcam.
Filters: IR/UV filter
Processing: Stacked in IRIS and asinh range compression applied. Cropped.
Comments: Ambient temperature was 6C during acquisition.
The elongated stars were caused by a problem with guiding.