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Contains:  M 21, NGC 6531, Trifid nebula, M 20, NGC 6514
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M20 Trifid Nebula RGB from Suburbia

Technical card

Resolution: 2778x3957

Dates:July 8, 2019

Frames:
Astrodon Tru-Balance E-Series Blue 36mm Blue Filter: 40x120"
Astrodon Tru-Balance E-Series Green 50mm Green Filter: 40x120"
Astrodon Red Tru-Balance E-Series Gen 2 Red filter: 40x120"

Integration: 4.0 hours

Avg. Moon age: 6.37 days

Avg. Moon phase: 39.27%

Astrometry.net job: 2784888

RA center: 270.749 degrees

DEC center: -22.831 degrees

Pixel scale: 0.803 arcsec/pixel

Orientation: 292.823 degrees

Field radius: 0.539 degrees

Data source: Backyard

Description

The classic treatment of this popular favourite.
Straight RGB from light polluted suburban Melbourne, Australia (Pop 5,000,000)
Worked hard to get colours correct, including using a seperate blue LUM layer in PS.
Processed in APP & PS - Topaz N/R.

Comments

Author

Andys_Astropix
Andys Astro
License: None (All rights reserved)
3394
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M20  Trifid Nebula RGB from Suburbia, 





    
        

            Andys Astro