Supernovae
As of late 2004, there had been two reported supernovae in the galaxy: SN 1954J, which attained a magnitude of 16 at its brightest, and SN 2004dj.
Read more about this topic: NGC 2403
Supernovae
As of late 2004, there had been two reported supernovae in the galaxy: SN 1954J, which attained a magnitude of 16 at its brightest, and SN 2004dj.
Read more about this topic: NGC 2403