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Contains:  M 20, NGC 6514, Trifid nebula
Another Trifid - Messier 20, 



    
        

            John Michael Bell...
Another Trifid - Messier 20
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Another Trifid - Messier 20

Technical card


Dates:May 13, 2019June 27, 2019

Frames:
Optolong 2" L pro: 125x60" (gain: 150.00) -12C bin 1x1
Optolong 2" L pro: 30x150" (gain: 150.00) -20C bin 1x1

Integration: 3.3 hours

Darks: ~35

Bias: ~300

Avg. Moon age: 16.52 days

Avg. Moon phase: 48.30%

Bortle Dark-Sky Scale: 5.50

Temperature: 28.00


Basic astrometry details

Astrometry.net job: 2793453

RA center: 18h 2' 24"

DEC center: -22° 58' 44"

Pixel scale: 0.274 arcsec/pixel

Orientation: 89.266 degrees

Field radius: 0.284 degrees


Resolution: 5836x4632

Locations: Backyard, Tucson, Arizona, United States

Data source: Backyard

Description

As the rainy season continues in southern Arizona, I've found some more unprocessed data to work with. My previous attempts at M20 consisted of at least 3 min subs, this is with the added signal of 125 60 second subs under a moonless night. Hope you enjoy and thanks for all the support and comments!
-JMB

Comments

Author

JohnnyBellisario
John Michael Bell...
License: Attribution Creative Commons
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Another Trifid - Messier 20, 



    
        

            John Michael Bell...