IC443 (Sh2-248) – The Jellyfish Nebula


IC443 (Sh2-248) - The Jellyfish Nebula

IC 443 (also known as the Jellyfish Nebula and Sharpless 248 (Sh2-248)) is a Galactic supernova remnant (SNR) in the constellation Gemini. On the plan of the sky, it is located near the star Eta Geminorum. Its distance is roughly 5,000 light years from Earth.


IC 443 may be the remains of a supernova that occurred 3,000 – 30,000 years ago. The same supernova event likely created the neutron star CXOU J061705.3+222127, the collapsed remnant of the stellar core. IC 443 is one of the best-studied cases of supernova remnants interacting with surrounding molecular clouds.


Integration: 55 hours


Imaging telescopes or lenses: Vixen VSD

Imaging cameras: Starlight Express SXVR-H18

Mounts: Sky-Watcher MX

Guiding telescopes or lenses:Vixen VSD

Guiding cameras: sx loadstar

Software: Sequence Generator Pro, PHD, Photoshop CS5

Filters: Baader Ha, OIII & SII

Accessories: Starlight Xpress USB filter wheel, Baader Planetarium 36mm narrowband filters

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