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Contains:  M 88, NGC 4501, M 87, NGC 4486, NGC 4477, NGC 4473, NGC 4461, NGC 4459, NGC 4438, The Eyes, NGC 4435, NGC 4425, M 86, NGC 4406, NGC 4402, NGC 4388, M 84, NGC 4374, NGC 4371
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Markarian's Chain, 





    
        

            Jonathan Edgecombe
Markarian's Chain

Markarian's Chain

Technical card

Imaging telescope or lens:Astro-Tech AT65EDQ

Imaging camera:DIY Cam84 v41

Mount:Sky-Watcher HEQ5 PRO

Guiding telescope or lens:Skywatcher ST80

Guiding camera:ZWO ASI174MM

Software:Deep Sky StackerGIMP 2.9PHD2 Guiding

Resolution: 2990x1990

Dates:Jan. 2, 2017

Frames: 26x600" (gain: 63.00)

Integration: 4.3 hours

Darks: ~2

Flats: ~10

Flat darks: ~10

Avg. Moon age: 4.01 days

Avg. Moon phase: 17.10%

Bortle Dark-Sky Scale: 4.00

Mean FWHM: 3.60

Temperature: -5.00

Astrometry.net job: 1396642

RA center: 186.977 degrees

DEC center: 12.916 degrees

Pixel scale: 3.803 arcsec/pixel

Orientation: -88.608 degrees

Field radius: 1.897 degrees

Locations: Home, Stanford in the Vale, Oxfordshire, United Kingdom

Comments

Author

Jonneh
Jonathan Edgecombe
License: Attribution-ShareAlike Creative Commons
910
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Markarian's Chain, 





    
        

            Jonathan Edgecombe