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Contains:  M 21, NGC 6531, Trifid nebula, M 20, NGC 6514
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M20 and M21, 





    
        

            Wilson
M20 and M21

M20 and M21

Technical card

Resolution: 3500x2500

Dates:Aug. 15, 2018

Frames: 150x60"

Integration: 2.5 hours

Avg. Moon age: 4.57 days

Avg. Moon phase: 21.87%

Astrometry.net job: 2202493

RA center: 18h 3' 19"

DEC center: -22° 49' 44"

Pixel scale: 1.605 arcsec/pixel

Orientation: 181.456 degrees

Field radius: 0.959

Locations: West Coast, Singapore, Singapore

Data source: Backyard

Description

Gain = 76, offset = 15, L = 90x1m, RGB = 20x1m

Comments

Author

wyfcheung
Wilson
License: None (All rights reserved)
620
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Revisions

  • M20 and M21, 





    
        

            Wilson
    Original
  • M20 and M21, 





    
        

            Wilson
    B
  • Final
    M20 and M21, 





    
        

            Wilson
    C

Sky plot

Sky plot

Histogram

M20 and M21, 





    
        

            Wilson