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Contains:  Trifid nebula, M 20, NGC 6514
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The Trifid Nebula  (Ha - OIII), 





    
        

            sky-watcher (johny)
The Trifid Nebula  (Ha - OIII)

The Trifid Nebula (Ha - OIII)

Technical card

Resolution: 2116x1416

Dates:July 21, 2019July 23, 2019

Frames:
Optolong H-alpha 7nm 2": 30x120" (gain: 200.00) 10C bin 1x1
Optolong OIII 12nm 2": 30x120" (gain: 200.00) 10C bin 1x1

Integration: 2.0 hours

Darks: ~15

Avg. Moon age: 19.83 days

Avg. Moon phase: 73.24%

Bortle Dark-Sky Scale: 4.00

Astrometry.net job: 2815207

RA center: 270.599 degrees

DEC center: -23.014 degrees

Pixel scale: 0.989 arcsec/pixel

Orientation: 359.559 degrees

Field radius: 0.350 degrees

Locations: Western Hungary, Páli, Hungary

Data source: Backyard

Description

Due to the low altitude in the sky, pretty difficult object for me. This time I imaged it with Ha and OIII filters.Because of the wall of my observatory, I have an imaging window of approx 1h, between 10pm - 11pm.

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sky-watcher
sky-watcher (johny)
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The Trifid Nebula  (Ha - OIII), 





    
        

            sky-watcher (johny)