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Contains:  NGC 4328, NGC 4322, M 100, NGC 4321, NGC 4312, IC 783
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M 100, 





    
        

            Bob J
M 100

M 100

Technical card

Resolution: 2487x1900

Dates:Feb. 18, 2017Feb. 19, 2017

Frames:
B: 20x180" -30C bin 1x1
G: 20x180" -30C bin 1x1
L: 24x300" -30C bin 1x1
Astrodon R: 20x180" -30C bin 1x1

Integration: 5.0 hours

Darks: ~20

Flats: ~80

Bias: ~25

Avg. Moon age: 22.31 days

Avg. Moon phase: 48.33%

Temperature: -1.00

Astrometry.net job: 1468313

RA center: 185.727 degrees

DEC center: 15.823 degrees

Pixel scale: 1.398 arcsec/pixel

Orientation: 92.686 degrees

Field radius: 0.608 degrees

Comments

Author

Space_Oddity
Bob J
License: Attribution-NonCommercial-ShareAlike Creative Commons
2257
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M 100, 





    
        

            Bob J