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Contains:  M 21, NGC 6531, Trifid nebula, M 20, NGC 6514
Getting plate-solving status, please wait...
M20 Triffid in Narrowband + RGB from Suburbia, 


            Andy 01
M20 Triffid in Narrowband + RGB from Suburbia

M20 Triffid in Narrowband + RGB from Suburbia

Technical card

Resolution: 2895x3883

Dates:July 7, 2019

Astrodon Tru-Balance E-Series Blue 36mm Blue Filter: 40x120"
Astrodon Tru-Balance E-Series Green 50mm Green Filter: 40x120"
Astrodon Ha 1.25 3nm: 26x600"
Astrodon O-III 3nm: 24x600"
Astrodon Red Tru-Balance E-Series Gen 2 Red filter: 40x120"
Astrodon S2 3nm: 30x600"

Integration: 17.3 hours

Avg. Moon age: 5.28 days

Avg. Moon phase: 28.32% job: 2784933

RA center: 270.745 degrees

DEC center: -22.822 degrees

Pixel scale: 0.804 arcsec/pixel

Orientation: 292.765 degrees

Field radius: 0.541 degrees

Data source: Backyard


Hybrid Narrowband treatment of this popular favourite.
Ha - O3 - S2 + 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.



Andy 01
License: None (All rights reserved)

Sky plot

Sky plot


M20 Triffid in Narrowband + RGB from Suburbia, 


            Andy 01