Daily Archives: April 5, 2015

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. IC 443 is one of the best-studied cases of supernova remnants interacting with surrounding molecular clouds.

Imaging telescopes or lenses: William Optics ZS71
Imaging cameras: Atik 383L+ mono
Mounts: Sky-Watcher NEQ
Guiding telescopes or lenses: William Optics ZS71
Guiding cameras: QHYCCD QHY5
Focal reducers: WILLIAM OPTICS 0.8 Reducer/Field Flattner V.II
Software: photoshop,  AstroArt v5 Astroart, Atik artemis
Filters: Baader Ha 7nm 2″,  Baader SII 2″
RA center: 94.248 degrees
DEC center: 22.565 degrees
Pixel scale: 3.947 arcsec/pixel
Orientation: -41.321 degrees
Field radius: 0.718 degrees
Locations: Home Observatory, Bromley, Kent, United Kingdom
Author: carastro

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