| Object: | IC 443 - Jellyfish Nebula |
| Date of exposures: | 15.01.2017, 16.01.2017 |
| Distance: | 5.000 Lightyears |
| Exposures: | Ha: 10 x 1200 Sec., [OIII]: 12 x 1200 Sec., RGB: 12 x 300 Sec., Sum: 8,3 Std. |
| Telescope: | Takahashi FSQ85 |
| Focal length: | 450 mm |
| Filter: | Astrodon RGB, E-Series, Ha 5nm, [OIII] 3nm |
| Camera: | Atik 490Exm |
| Guiding: | Off Axis Guider, Lodestar |
| Mount: | EQ8 |
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. The complete story in my blog...
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