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Contains:  IC 443, The star Propus (ηGem)
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IC443 - The Jellyfish Nebula, 


            Tim Jardine
IC443 - The Jellyfish Nebula

IC443 - The Jellyfish Nebula

Technical card

Resolution: 4014x2623

Dates:Dec. 1, 2013

Frames: 18x1800"

Integration: 9.0 hours

Avg. Moon age: 27.83 days

Avg. Moon phase: 3.22% job: 134174

RA center: 94.267 degrees

DEC center: 22.496 degrees

Pixel scale: 1.725 arcsec/pixel

Orientation: 91.453 degrees

Field radius: 1.149 degrees


The Jellyfish nebula is a supernova remnant in the constellation of Gemini. Located around 5000 light years away, its exact age is unknown, but it appears to have blown at least 3000 years ago, possibly much longer.

Imaged here in two narrowband wavelengths, Hydrogen Alpha (7nm) and Oxygen III. The Ha emission is dominant, but there are tantalising glimpses of Oiii at the extremities.



Tim Jardine
License: None (All rights reserved)

Sky plot

Sky plot


IC443 - The Jellyfish Nebula, 


            Tim Jardine