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Contains:  M 21, NGC 6531, Trifid nebula, M 20, NGC 6514
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Trifid Nebula and Messier 21, 


            Jairo Amaral
Trifid Nebula and Messier 21

Trifid Nebula and Messier 21

Technical card

Imaging telescope or lens:Meade ACF 8"

Imaging camera:Canon 60Da


Focal reducer:Meade f/6.3 Focal Reducer/Corrector

Software:Luc Coiffier DeepSkyStacker Fitswork

Filter:Lumicon Deep Sky

Resolution: 2365x1509

Dates:June 9, 2015

Frames:Lumicon Deep Sky: 60x80" ISO1600

Integration: 1.3 hours

Darks: ~30

Flats: ~21

Bias: ~20

Avg. Moon age: 21.97 days

Avg. Moon phase: 51.86%

Bortle Dark-Sky Scale: 6.00 job: 662007

RA center: 270.768 degrees

DEC center: -22.797 degrees

Pixel scale: 1.601 arcsec/pixel

Orientation: 127.999 degrees

Field radius: 0.624 degrees

Locations: Monte Castelo, São José dos Campos, São Paulo, Brazil


Trifid Nebula and open cluster Messier 21.



Jairo Amaral
License: None (All rights reserved)

Sky plot

Sky plot


Trifid Nebula and Messier 21, 


            Jairo Amaral