Celestial hemisphere:  Northern  ·  Constellation: Gemini (Gem)  ·  Contains:  Gem A  ·  IC 443  ·  The star Propus (ηGem)
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Jellyfish Nebula, DustSpeakers
Jellyfish Nebula
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Jellyfish Nebula

Getting plate-solving status, please wait...
Jellyfish Nebula, DustSpeakers
Jellyfish Nebula
Powered byPixInsight

Jellyfish Nebula

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Description

The Jellyfish Nebula ( IC 433, Sh2-248 ) is a supernova remnant located about 5,000 light years from Earth in the constellation of Gemini. It has an angular diameter of 50 arcmin which is about 1.7 full Moon widths. The SNR is abundant in SII (red), Ha (green) and OIII (blue) emissions.

Acquired over 5 nights on 10 Dec 2021, 24, 25 ,26 ,27 Mar 2022  from my Bortle 5 back garden with Redcat 51 on an iOptron Skyguider Pro (not guided) with ASI 1600 MM Pro mono camera with R, G, B, Ha and OIII filters.

Ha - 3 hr 15 min - in 157 frames of 60s and 120s
OIII - 3 hr 10 min - in 179 frames of 60s and 120s
SII - 3 hrs 15 mins - in 163 frames of 60s and 120s
RGB for stars - 50 x 60s each filter
~12 hrs in total

Processed in APP, StarTools (SHO) and Gimp

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