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Contains:  NGC 5985, NGC 5982, NGC 5981, NGC 5976
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ngc5981, 





    
        

            jelisa
ngc5981

ngc5981

Technical card

Imaging telescope or lens:Orion Optics UK ODK 16

Imaging camera:Starlight Xpress H35

Mount:Astro-Physics AP1200

Guiding telescope or lens:Orion Optics UK ODK 16

Guiding camera:Lodestar

Software:Maxim DL

Filters:Astronomik RedAstronomik BlueGreenL

Accessory:Starlight Xpress Fliter Wheel

Resolution: 3704x2316

Dates:May 22, 2015

Frames:
L: 45x600" bin 1x1
RGB : 18x300" bin 2x2

Integration: 9.0 hours

Avg. Moon age: 4.42 days

Avg. Moon phase: 20.53%

Astrometry.net job: 665308

RA center: 234.612 degrees

DEC center: 59.351 degrees

Pixel scale: 0.698 arcsec/pixel

Orientation: 89.692 degrees

Field radius: 0.424 degrees

Locations: Observatoire personnel - France (49), le plessis grammoire, maine et loire - 49, France

Description

NGC 5985, NGC 5982 et NGC 5981.
NGC 5981-82-85 forment un groupe de galaxies situé dans la constellation du Dragon. Ces galaxies, curieusement alignées, sont distantes d'environ 100 millions d'années-lumière.

NGC 5985 est une galaxie spirale de type Sb vue presque de face, alors que NGC 5982 une galaxie lenticulaire de type SO, et NGC 5981 une galaxie spirale barrée de type SBb vue par la tranche.

Comments

Author

jelisa
jelisa
License: Attribution-NonCommercial-NoDerivs Creative Commons
2002
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ngc5981, 





    
        

            jelisa