Hemisphere:  Northern  ·  Contains:  NGC 891  ·  NGC 898  ·  NGC 906  ·  NGC 910
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NGC 891, 



    
        

            Librari
NGC 891
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NGC 891

Technical card

Imaging telescopes or lenses: Celestron Omni XLT 150 Newton

Imaging cameras: Canon 30D

Mounts: Sky-Watcher EQ6 Pro

Guiding telescopes or lenses: William Optics Zenithstar 66SD

Software: DeepSkyStacker  ·  GradientXterminator  ·  PHD guiding  ·  photoshop

Filters: Astronomik EOS Clip CLS-CCD


Dates:Dec. 20, 2011

Frames: 236x120" ISO800 bin 1x1

Integration: 7.9 hours

Avg. Moon age: 24.81 days

Avg. Moon phase: 23.15%

Temperature: -10.00


Basic astrometry details

Astrometry.net job: 145225

RA center: 2h 22' 55"

DEC center: +42° 12' 18"

Pixel scale: 3.484 arcsec/pixel

Orientation: 2.127 degrees

Field radius: 0.928 degrees


Resolution: 1596x1064

Description

Photographed on nights 16.10.2011, 19.10.2011 and 20.11.2011.
Some gradients are remain visible.

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Librari
Librari
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NGC 891, 



    
        

            Librari