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If IC 443 is 5,000 light years away, how could it have exploded 3,000 years ago. It would be another 2,000 years until we see it. — Preceding unsigned comment added by 72.201.198.79 (talk) 21:54, 27 October 2019 (UTC)
IC443 Galactic Coordinates edit
IC 443 Glactic Coordinates L=189.0973545 B=3.0008105 Err 2.13E-09 Morbas (talk) 20:25, 26 May 2020 (UTC) Reference: Wikipedia Galactic Coordinate System (galactic to equatorial) equation using Wikipedia IC 443 Celestial Coordinates. Equating three equations to zero and using Root Sum of Squares yields Err=2.13E-09. Morbas (talk) 20:48, 26 May 2020 (UTC)