M101



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Date: 24 April 2009
Location: Kelling Heath Star Party
Exposure: 60 x 5 minutes
Telescope: Celestron C11 with F6.3 reducer on Skywatcher EQ6 mount.
Camera: Modified Canon EOS 350D
Guiding: Nikkor 300mm lens with x2 teleconverter & modified Toucam webcam.
Filters: IR filter
Processing: Stacked in IRIS, 2x2 binned and asinh range adjustment applied. Deconvolution.
Post processing & noise reduction in Photoshop.
Comments: The outer arms are very faint and difficult to image even from a dark site.