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LDN 1235 The Dark Shark Nebula

Technical card

Resolution: 3995x3195

Dates: July 20, 2017July 24, 2017July 25, 2017July 26, 2017

Frames:
Astrodon Blue Tru-Balance E-Series Gen 2: 141x60" -20C bin 1x1
Astrodon Green Tru-Balance E-Series Gen 2: 82x60" -20C bin 1x1
Astrodon Lum Tru-Balance E-Series Gen 2: 133x60" (gain: 201.00) -20C bin 1x1
Astrodon Red Tru-Balance E-Series Gen 2: 156x60" -20C bin 1x1

Integration: 8.5 hours

Darks: ~50

Flats: ~50

Bias: ~250

Avg. Moon age: 7.73 days

Avg. Moon phase: 7.31%

Bortle Dark-Sky Scale: 4.75

Astrometry.net job: 1668436

RA center: 331.798 degrees

DEC center: 73.082 degrees

Pixel scale: 2.315 arcsec/pixel

Orientation: -112.176 degrees

Field radius: 1.645 degrees

Locations: Future World Media Home Observatory, Taylor, MI, Michigan, United States

Description

I had a chance for the first time to capture subs outside of my red zone. I was about one mile from a dark site in northern Michigan. I decided to capture something very faint; something almost impossible here in my red zone. I did Luminance first just in case the rest of the weekend was a bust. Sure enough, it was and had to do all my RGBs in my red zone here unfortunately. Spent 2 nights doing RGB all night both nights. I have a feeling given how faint this dark nebula is, two more nights would yield little more in my red zone.

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Author

Douglas J Struble
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LDN 1235 The Dark Shark Nebula, Douglas J Struble