Thread: The Dark Shark
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Old 19-10-2017, 10:21 PM
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RickS (Rick)
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Join Date: Apr 2010
Location: Brisbane
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The Dark Shark

The Dark Shark aka the Howling Wolf. This field contains the blue reflection nebulae VdB150 (top) and VdB149 (bottom.) The shark's nose is the dark nebula LDN1235. Lots of other dark nebulosity and a few bright stars.

Big version on Astrobin: http://www.astrobin.com/317415/0/

Captured at SRO, July-Sep, 2017

Scope: Ceravolo C300 @ f/4.9 = 1470mm FL
Mount: AP1100
Camera: FLI PL16803
Focuser: Atlas
Filters: Astrodon
Guiding: Lodestar II / Tak guide scope
Image scale: 1.26 arcsec/pixel (Drizzled to double res)
Exposures: 45x1200s R, 38x1200s G, 39x1200s B, 81x600s L, 36x1800s Ha (54.16 + 18 hours)
Processing: PixInsight 1.8.5

Acquisition credit: Scott Johnson, Augusto Hernandez, John Kasianowicz, Daniele Malleo, Jose Mtanous and Rick Stevenson

Processing credit: Rick Stevenson

Thanks for looking and comments are welcome. I always find dark nebs very difficult and I'm happy to accept suggestions for improvement

Cheers,
Rick.
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