Celestial hemisphere:  Northern  ·  Constellation: Gemini (Gem)  ·  Contains:  IC 443  ·  IC 444  ·  The star Propus (ηGem)
Learning Curve: IC 443 Jellyfish Nebula in H-Alpha, Min Xie
Learning Curve: IC 443 Jellyfish Nebula in H-Alpha
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Learning Curve: IC 443 Jellyfish Nebula in H-Alpha

Learning Curve: IC 443 Jellyfish Nebula in H-Alpha, Min Xie
Learning Curve: IC 443 Jellyfish Nebula in H-Alpha
Powered byPixInsight

Learning Curve: IC 443 Jellyfish Nebula in H-Alpha

Equipment

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Acquisition details

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Description

IC 443 seems much harder than Rosette Nebula. This was attempted on my second try with ASI1600mm-Pro. Almost 1.5 hours integration with sensor cooling at -20C still didn't provide enough SNR for removing the noise in the post processing.

Another possible reason is that the moon shined right into the lens. Will try it again at a good dark site someday.

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