Hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  NGC 891  ·  NGC 898  ·  NGC 906
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Galaxy NGC 891 (Caldwell 23), 



    
        

            Steven Bellavia
Galaxy NGC 891 (Caldwell 23)
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Galaxy NGC 891 (Caldwell 23)

Getting plate-solving status, please wait...
Galaxy NGC 891 (Caldwell 23), 



    
        

            Steven Bellavia
Galaxy NGC 891 (Caldwell 23)
Powered byPixInsight

Galaxy NGC 891 (Caldwell 23)

Technical card

Imaging telescopes or lenses: Home built 6-inch f/4 Newt

Imaging cameras: Canon EOS SL1

Mounts: Celestron AVX Mount

Guiding telescopes or lenses: Agena Astro 50mm f/3.9 Guidescope

Guiding cameras: ASI224MC

Software: Digital Photo Professional  ·  Backyard EOS  ·  PHD2 Guiding  ·  Deepskystacker 3.3.4

Accessory: Baader Mark-III MPCC Coma Corrector


Dates:Oct. 7, 2016

Frames: 19x300" ISO1600

Integration: 1.6 hours

Darks: ~20

Flats: ~20

Bias: ~20

Avg. Moon age: 5.83 days

Avg. Moon phase: 33.81%


Basic astrometry details

Astrometry.net job: 1796467

RA center: 2h 22' 35"

DEC center: +42° 20' 38"

Pixel scale: 0.960 arcsec/pixel

Orientation: 177.863 degrees

Field radius: 0.786 degrees


Resolution: 4904x3270

Data source: Traveller

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Sky plot

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Galaxy NGC 891 (Caldwell 23), 



    
        

            Steven Bellavia