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I agreeImaging telescope or lens:CELESTRON 8
Imaging camera:Canon DSLR EOS 60da
Mount:CGEM
Guiding telescope or lens:Orion 80mm Short Tube
Guiding camera:Celestron NexGuide
Focal reducer:Starizona SCT Corrector f/7.5
Software:DeepSkyStacker , O'Telescope BackyardEOS , Adobe Photoshop CS3
Dates:Sept. 12, 2012
Frames: 16x360" ISO1600
Integration: 1.6 hours
Darks: ~4
Avg. Moon age: 25.81 days
Avg. Moon phase: 14.86%
Astrometry.net job: 2918591
RA center: 3h 46' 5"
DEC center: +24° 9' 57"
Pixel scale: 1.579 arcsec/pixel
Orientation: 157.119 degrees
Field radius: 0.462 degrees
Resolution: 1550x1426
Locations: Douglas Springs Trailhead, Tucson, AZ, Tucson, Arizona, United States
Data source: Backyard
The heart of the cluster
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