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Astro Photos by Bob Samuel

Celestial Jellyfish

9 Jan 2018, 16:38 UTC
Celestial Jellyfish
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This is a narrowband image of IC443 in Gemini, aka the Jellyfish Nebula. Taken through a WO GT-102 with an Atik One 6.0, it’s put together from 20 x 10min H-alpha, 6 x 10 min OIII and 6 x 10min SII. The nebula is notable for its quite weak OIII emission, but it’s really quite strong in SII. R=Ha, G=SII, B=OIII.

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