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Contains:  NGC 7337, NGC 7335, NGC 7331, NGC 7320, NGC 7319, NGC 7318, Stephan's Quintet, NGC 7317
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NGC 7331 & Stephan's Quintet, 





    
        

            Bob J
NGC 7331 & Stephan's Quintet

NGC 7331 & Stephan's Quintet

Technical card

Resolution: 2124x2650

Dates:Aug. 4, 2016

Frames:
B: 12x300" -20C bin 1x1
G: 12x300" -20C bin 1x1
L: 9x360" -20C bin 1x1
R: 12x300" -20C bin 1x1

Integration: 3.9 hours

Darks: ~12

Flats: ~80

Bias: ~50

Avg. Moon age: 1.63 days

Avg. Moon phase: 2.98%

Temperature: 14.00

Astrometry.net job: 1196019

RA center: 339.180 degrees

DEC center: 34.237 degrees

Pixel scale: 1.027 arcsec/pixel

Orientation: 2.150 degrees

Field radius: 0.485 degrees

Description

Revision E: No real changes other than orienting the image to the correct angle. I think it looks better this way. IMO it appears to bring out Stephan's Quintet a little stronger.

Comments

Author

Space_Oddity
Bob J
License: Attribution-NonCommercial-ShareAlike Creative Commons
3934
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Revisions

  • NGC 7331 & Stephan's Quintet, 





    
        

            Bob J
    Original
  • NGC 7331 & Stephan's Quintet, 





    
        

            Bob J
    C
  • NGC 7331 & Stephan's Quintet, 





    
        

            Bob J
    D
  • Final
    NGC 7331 & Stephan's Quintet, 





    
        

            Bob J
    E

Sky plot

Sky plot

Histogram

NGC 7331 & Stephan's Quintet, 





    
        

            Bob J

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