Hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  M 20  ·  M 21  ·  NGC 6514  ·  NGC 6531  ·  Trifid nebula
Trifid Nebula M20 & M21, 



    
        

            Joanot
Trifid Nebula M20 & M21
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Trifid Nebula M20 & M21

Technical card

Imaging telescopes or lenses: Bresser 150/750mm

Imaging cameras: Canon EOS 20D

Mounts: CG5

Software: PixInsight  ·  DeepSkyStacker


Dates:June 24, 2012

Frames: 65x181" (3h 16' 5") ISO1600

Integration: 3h 16' 5"

Darks: 18

Flats: 9

Bias: 10

Avg. Moon age: 4.67 days

Avg. Moon phase: 22.70%


Basic astrometry details

Astrometry.net job: 111735

RA center: 18h02m57s.4

DEC center: -22°4550

Pixel scale: 3.517 arcsec/pixel

Orientation: -177.677 degrees

Field radius: 0.820 degrees


Resolution: 620x444

Comments

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Histogram

Trifid Nebula M20 & M21, 



    
        

            Joanot