Amazing Sky by Alan Dyer

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NGC 6819 (105mm f5.4 20Da).jpg

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The rich open star cluster NGC 6819 in Cygnus, in an old image from 2007 but it holds up well.

Technical:
Taken with the 105mm A&M apo refractor at f/5.4 with Borg 0.85x compressor and Canon 20Da camera at ISO 800 for a stack of 4 x 6 minute exposures. Taken on a very warm night in July 2007. Reprocessed in 2025.
Copyright
© 2007 Alan Dyer
Image Size
3504x2336 / 7.0MB
Contained in galleries
Star Clusters, NGC/IC Objects
The rich open star cluster NGC 6819 in Cygnus, in an old image from 2007 but it holds up well. <br /> <br /> Technical:<br /> Taken with the 105mm A&M apo refractor at f/5.4 with Borg 0.85x compressor and Canon 20Da camera at ISO 800 for a stack of 4 x 6 minute exposures. Taken on a very warm night in July 2007. Reprocessed in 2025.