Jellyfish Nebula

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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.

Telescope / lens shooting: Takahashi FSQ 106ED
Camera to capture: SBIG ST-2000XM
Mount: Astro-Physics 900 GTO
Filters: Astrodon 3nm OIII, Astrodon Ha 5nm
Resolution: 690×535
Dates: March 21, 2014, March 23, 2014
Astrodon 3nm OIII: 9×1200 “bin 1×1
Astrodon Ha 5nm: 20×1200 “bin 1×1
Accumulation: 9.7 hours
Avg. Moon age: 19.99 days
Avg. Phase of the Moon: 71.65%
RA Centre: 94.222 degrees
DEC center: 22.541 degrees
Direction: -160.333 degrees
Radius field: 0.776 degrees

Author: sydney

Astrofoto of the day from SPONLI, 10.12.2014