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Eagle Nebula (Messier 16, NGC 6611, Star Queen Nebula), 




    

        Chris Howard

Eagle Nebula (Messier 16, NGC 6611, Star Queen Nebula)

Technical card

Resolution: 1024x767

Dates: June 30, 2018

Frames:
Astonomik 1.25" Ha 12nm: 96x240" -10C bin 1x1
Baader OIII 8.5 nm 2": 42x240" -10C bin 1x1

Integration: 9.2 hours

Avg. Moon age: 16.82 days

Avg. Moon phase: 95.31%

Bortle Dark-Sky Scale: 4.00

Astrometry.net job: 2123910

Locations: Home Observatory, North Hampton, New Hampshire, United States

Data source: Backyard

Description

June 30, 2018 - The Eagle Nebula (Messier 16, NGC 6611, Star Queen Nebula) is an open star cluster and emission nebula in the constellation Serpens, about 7000 lightyears away from us. Imaging Info: 96 x 240 sec. Ha + 41 x 240 sec. OIII frames stacked in DSS, processed in PSCC2018. These frame numbers are a bit unbalanced, but the clouds moved in during the OIII sequence, and there was nothing I could do. I went ahead and stacked and processed them as they are. I'll probably come back to this one in the future with more oxygen-3 (and maybe sulphur-2) to achieve something like the actual proportional levels of light from the nebula across these bandpasses. [Equipment: William Optics ZS61, Atik 414EX mono CCD, 12nm Astronomik Ha filter, 12nm Astronomik OIII filter, CEM25P EQ Mount, ZWO ASI120MM-S Guide Cam + Orion TOAG, INDI/KStars/Ekos control software. Location: Stratham, New Hampshire, Bortle: 4, SQM: 20.62]

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ChrisHoward
Chris Howard
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Eagle Nebula (Messier 16, NGC 6611, Star Queen Nebula), 




    

        Chris Howard