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Contains:  NGC 4837, NGC 4657, NGC 4656, NGC 4631, NGC 4627
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NGC-4631 & NGC-4656, 





    
        

            Dmitrii
NGC-4631 & NGC-4656

NGC-4631 & NGC-4656

Technical card

Imaging telescope or lens:Skywatcher 254/1200

Imaging camera:Canon 600Da

Mount:Skywatcher NEQ6 PRO Synscan

Guiding telescope or lens:SW 9x50

Guiding camera: QHY5_ 9х50

Focal reducer:Baader МPCC-2

Software:IRISAdobe Photoshop CS6I.Ionov FITStacker12MaxIm DL Pro V5

Resolution: 1734x1122

Dates:May 2, 2013

Frames: 21x600"

Integration: 3.5 hours

Avg. Moon age: 22.18 days

Avg. Moon phase: 49.68%

Astrometry.net job: 482456

RA center: 190.776 degrees

DEC center: 32.338 degrees

Pixel scale: 2.046 arcsec/pixel

Orientation: -169.112 degrees

Field radius: 0.587 degrees

Comments

Author

Dmitrii
Dmitrii
License: None (All rights reserved)
1972
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NGC-4631 & NGC-4656, 





    
        

            Dmitrii