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Contains:  M 21, NGC 6531, Trifid nebula, M 20, NGC 6514
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M20- The Trifid Nebula, 


            Cody Knight
M20- The Trifid Nebula

M20- The Trifid Nebula

Technical card

Imaging telescope or lens:Orion ED80

Imaging camera:Canon T2i

Mount:NEQ6 Pro

Guiding telescope or lens:Orion ShortTube 80mm f/5

Guiding camera:QHYCCD QHY5L II Mono

Software:Ivo Jager StarTools 1.4DeekSkyStacker

Accessory:Orion Field Flattener for Short Refractors

Resolution: 2805x1893

Dates:July 18, 2019

Frames: 160x80" ISO800

Integration: 3.6 hours

Flats: ~150

Bias: ~50

Avg. Moon age: 16.24 days

Avg. Moon phase: 97.56%

Bortle Dark-Sky Scale: 7.00 job: 2807804

RA center: 270.608 degrees

DEC center: -22.977 degrees

Pixel scale: 1.480 arcsec/pixel

Orientation: 266.481 degrees

Field radius: 0.695 degrees

Locations: Backyard, Houston, Texas, United States

Data source: Backyard


This was taken over 3 nights in Houston. Light pollution hid a lot of the brilliant colors the Trifid features, and I am planning on revisiting in the future in some darker skies.



Cody Knight
License: None (All rights reserved)

Sky plot

Sky plot


M20- The Trifid Nebula, 


            Cody Knight

In these public groups

Suburban Astrophotography