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



    
        

            Charles Ward
Trifid Nebula (M20 and M21)
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Trifid Nebula (M20 and M21)

Getting plate-solving status, please wait...
Trifid Nebula (M20 and M21), 



    
        

            Charles Ward
Trifid Nebula (M20 and M21)
Powered byPixInsight

Trifid Nebula (M20 and M21)

Technical card

Imaging telescopes or lenses: Orion 8" f/3.9 Newtonian Astrograph

Imaging cameras: QSI 683 wsg-8

Mounts: AVX

Focal reducers: MPCC

Software: PixInsight

Filters: Orion SkyGlow 2" Imaging Filter


Dates:May 25, 2014

Frames:
Astrodon Blue Tru-Balance E-Series Gen 2: 17x120" (34') bin 2x2
Astrodon Green Tru-Balance E-Series Gen 2: 17x120" (34') bin 2x2
Astrodon Red Tru-Balance E-Series Gen 2: 17x120" (34') bin 2x2

Integration: 1h 42'

Avg. Moon age: 26.29 days

Avg. Moon phase: 11.45%


Basic astrometry details

Astrometry.net job: 285481

RA center: 18h03m11s.5

DEC center: -22°4521

Pixel scale: 2.762 arcsec/pixel

Orientation: -119.557 degrees

Field radius: 0.789 degrees


Resolution: 1240x1640

Description

After a terribly cloudy night trying to see meteors, and a generally cloudy spring, last night was clear all night, and I saw the milky way for the first time this year. Great to see the summer show pieces again!

Comments

Revisions

  • Final
    Trifid Nebula (M20 and M21), 



    
        

            Charles Ward
    Original
  • Trifid Nebula (M20 and M21), 



    
        

            Charles Ward
    B
  • Trifid Nebula (M20 and M21), 



    
        

            Charles Ward
    C
  • Trifid Nebula (M20 and M21), 



    
        

            Charles Ward
    D

Sky plot

Sky plot

Histogram

Trifid Nebula (M20 and M21), 



    
        

            Charles Ward