Hemisphere:  Northern  ·  Constellation: Gemini (Gem)  ·  Contains:  IC 443
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IC 443 Jellyfish Nebula, 


            Frank Iwaszkiewicz
IC 443 Jellyfish Nebula
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Technical card

Basic astrometry details

Astrometry.net job: 2802499

RA center: 6h 16' 48"

DEC center: +22° 33' 0"

Pixel scale: 1.502 arcsec/pixel

Orientation: 269.249 degrees

Field radius: 0.628 degrees

Resolution: 2400x1817

Locations: Garden Observatory, Eggersdorf near Berlin, Germany

Data source: Backyard


Location/ Date

Eggersdorf, 23.+ 24.+ 26.+ 27. February 2019
Telescope/ Lens:
TS ONTC Newton f/4
ASA 60 DDM Pro
Atik 383L+
Exposure time/ Filter:
25x 900" Astronomik Ha 6nm
25x 900" Astronomik [OIII] 6nm
25x 900" Astronomik [SII] 6nm
14x 180" Astronomik RGB each
Total exposure time:
21 hours
IC 443, also called Jellyfish Nebula, is located at a distance of approx. 5000 light years in the constellation of twins. The nebula is a supernova remnant of a massive star that exploded. The light of the explosion reached planet Earth for the first time more than 30,000 years ago. Like the supernova remnant Crab Nebula, its cousin in astrophysical waters, IC 443 contains a neutron star. At this distance, this image shows a section of about 80 light years.
The special feature of IC443 is that the rest of the explosion cloud also interacts with the interstellar medium (gas and dust). New stars have already been observed, the formation of which was accelerated by the supernova and the resulting compression of the surrounding gas.


Sky plot

Sky plot


IC 443 Jellyfish Nebula, 


            Frank Iwaszkiewicz