Celestial hemisphere:  Northern  ·  Constellation: Gemini (Gem)  ·  Contains:  10 Gem  ·  11 Gem  ·  12 Gem  ·  13 Gem)  ·  13 mu. Gem  ·  9 Gem  ·  Calx (μ Gem  ·  Gem A  ·  HD254043  ·  HD254044  ·  HD254072  ·  HD254122  ·  HD254153  ·  HD254154  ·  HD254171  ·  HD254202  ·  HD254232  ·  HD254265  ·  HD254345  ·  HD254390  ·  HD254418  ·  HD254442  ·  HD254443  ·  HD254471  ·  HD254472  ·  HD254475  ·  HD254476  ·  HD254477  ·  HD254497  ·  HD254498  ·  And 139 more.
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SH2-249  & the Jellyfish Nebula (IC443) - 8.16 hrs RGB, John Jennings
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SH2-249 & the Jellyfish Nebula (IC443) - 8.16 hrs RGB

Getting plate-solving status, please wait...
SH2-249  & the Jellyfish Nebula (IC443) - 8.16 hrs RGB, John Jennings
Powered byPixInsight

SH2-249 & the Jellyfish Nebula (IC443) - 8.16 hrs RGB

Equipment

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Acquisition details

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Description

Imaged this over several nights in between the narrow band version with the QHY600M. Its entirely RGB with a slight shift in the HLS color space to the red-magenta for the starless image. No local masks were used. The Jellyfish immediately shifted toward the yellow spectrum with out materially affecting the rest of the starless image very much. I'm sure there is a technical explanation concerning the Jellyfish's emissions vs SH2-249. Quite interesting as others have used narrow band filters to achieve similar colors for the Jellyfish. I first completed a version with only 4 hours integration but out of curiosity added another 4 hours seeking improvement. The extra integration really did not help much.

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SH2-249  & the Jellyfish Nebula (IC443) - 8.16 hrs RGB, John Jennings