Mike Crowle
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20 March 2010
NGC 3718 & 3729 in Ursa Major
Canon EOS 40D
,Celestron C8 telescope
Total of 1 hour exposure. Manually guided off-axis for 6 x 10-minute exposures at ISO 1600, f6.3, over 2 nights. Images registered and stacked using DeepSkyStacker.
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© 2016 Mike Crowle
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