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Contains:  NGC 4657, NGC 4656, NGC 4631, NGC 4627
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NGC 4631 (Whale galaxy), 





    
        

            neptun
NGC 4631 (Whale galaxy)

NGC 4631 (Whale galaxy)

Technical card

Imaging telescope or lens:Skywatcher Evostar 120ED

Imaging camera:NIKON d90

Mount:HEQ5

Guiding telescope or lens:Skywatcher Evostar 120ED

Guiding camera:Meade DSI II Pro

Software:DeepSkyStackerphotoshop

Accessories:Teleskop-Service TS9-OAG off axis guiderTeleskop-Service Flattener 2"

Resolution: 4228x2625

Dates:July 1, 2013

Frames: 17x360"

Integration: 1.7 hours

Avg. Moon age: 23.38 days

Avg. Moon phase: 37.07%

Astrometry.net job: 122825

RA center: 12h 42' 1"

DEC center: +32° 33' 25"

Pixel scale: 1.239 arcsec/pixel

Orientation: -96.213 degrees

Field radius: 0.857

Locations: Bulgaria, Sofia, Sofia, Bulgaria

Description

ISO 800

Comments

Author

neptun
neptun
License: Attribution-NonCommercial Creative Commons
1580
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NGC 4631 (Whale galaxy), 





    
        

            neptun