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



    
        

            Wilson
M20 and M21
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M20 and M21

Technical card

Imaging telescopes or lenses: Explore Scientific 80 ED CF APO

Imaging cameras: ZWO ASI 1600MM Cooled Pro

Mounts: iOptron CEM25P  ·  Celestron AVX

Guiding telescopes or lenses: orion 50mm guide scope

Guiding cameras: ZWO ASI 290 MM

Software: CloudMakers AstroImager  ·  PixInsight 1.8.5  ·  Stark-Labs PHD-Guiding

Filters: ZWO LRGB 1.25" optimized for ASI1600  ·  STC Astro Multispectra Filter


Dates:Aug. 15, 2018

Frames: 150x60"

Integration: 2.5 hours

Avg. Moon age: 4.57 days

Avg. Moon phase: 21.87%


Basic astrometry details

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 degrees


Resolution: 3500x2500

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)
820
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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