The Jellyfish Nebula (IC 443) - CDK14 First Light (Ani Shastry)

Celestial hemisphere: Northern · Constellation: Gemini (Gem) · Contains: Gem A · HD253913 · HD253953 · HD253955 · HD253980 · HD254043 · HD254044 · HD254072 · HD254154 · HD254203 · HD254232 · HD254265 · HD254318 · HD254319 · HD254345 · HD254346 · HD254390 · HD254420 · HD254443 · HD254475 · HD254476 · HD254477 · HD254498 · HD254520 · HD254521 · HD254576 · HD254577 · HD254602 · HD254632 · HD254656 · And 11 more.

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The Jellyfish Nebula (IC 443) - CDK14 First Light

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The Jellyfish Nebula (IC 443) - CDK14 First Light

After considerable deliberation, I have finally transitioned to a fully remote setup, with a CDK14 on an L-350. It has taken a few weeks to get the entire setup to a point where I can image reasonably well. Here's "first light" from the rig; I chose to redo the Jellyfish Nebula both as a baseline comparison to what I was getting with the Dreamscope to ensure the new system was behaving well, and because I previously didn't have access to Sii and Oiii filters on the Dreamscope. The data is approximately 9 hours, spread over 3 nights due to inclement weather, with Oiii having the most amount of captures as that signal is the weakest in this nebula. I also created a synthetic luminance from the SHO data for bringing out additional details in the nebular structures.

The Jellyfish Nebula, or IC 443, is the remains of a star that went supernova somewhere between 3,000 and 30,000 years ago. It is located in the constellation of Gemini, approximately 5,000 years from the Earth. It covers an apparent diameter of almost double that of the full moon in the night sky, and is estimated to have a physical size of 70 light years across.

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Status	Advanced success
Started	...
Astrometry.net job	9012173
PixInsight job	6D0COF4L2MF03BU8MQ2MCPG22IZ3ZWJK
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	06h16m49s.510
RA (top/left)	06h15m09s.189
RA (top/right)	06h18m34s.359
RA (bottom/right)	06h18m30s.670
RA (bottom/left)	06h15m03s.772

Dec (center)	+22°29′20″.36
Dec (top/left)	+21°52′48″.43
Dec (top/right)	+21°53′29″.35
Dec (bottom/right)	+23°05′48″.58
Dec (bottom/left)	+23°05′06″.40

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The Jellyfish Nebula (IC 443) - CDK14 First Light

The Jellyfish Nebula (IC 443) - CDK14 First Light

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The Jellyfish Nebula (IC 443) - CDK14 First Light

The Jellyfish Nebula (IC 443) - CDK14 First Light

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