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



    
        

            Cory Schmitz
Trifid Nebula, Messier 20
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Trifid Nebula, Messier 20

Trifid Nebula, Messier 20, 



    
        

            Cory Schmitz
Trifid Nebula, Messier 20
Powered byPixInsight

Trifid Nebula, Messier 20

Technical card

Imaging telescopes or lenses: Orion 8" f3.9 Astrograph

Imaging cameras: Canon 60Da

Mounts: CGEM DX

Guiding telescopes or lenses: Vixen Finderscope 9x50

Guiding cameras: Orion StarShoot AutoGuider

Focal reducers: MPCC

Software: PixInsight  ·  Binary Rivers Backyard EOS  ·  PHD Guiding


Basic astrometry details

Astrometry.net job: 340070

RA center: 18h02m28s

DEC center: -22°5606

Pixel scale: 1.100 arcsec/pixel

Orientation: 177.673 degrees

Field radius: 0.939 degrees


Resolution: 5130x3390

Description

This version of messier 20, the Trifid Nebula, was just a quick target to shoot at the end of our last night imaging at the Rooikloof farm in Sutherland, South Africa, back in April 2014. Exceptionally dark and clear skies in the Karoo desert make for lots of data in a short amount of time. I'm way too happy with this image despite the short exposure time. Dark skies matter. Love the desert!

Image details:

7x 300s ISO800, 35minutes total exposure time

Canon 60Da

Orion 8" Astrograph, f/3.9

Celestron CGEM DX mount

Orion SSAG + 50mm guide scope

Data acquired with BackyardEOS

Guiding with PhD

Reduced and post-processed with PixInsight

Comments

Sky plot

Sky plot

Histogram

Trifid Nebula, Messier 20, 



    
        

            Cory Schmitz