It this a supernova?

I think this is a supernova(?). So beautiful, one of the first things I found :slight_smile:

Use the “SDSS images” to see it.

http://legacysurvey.org/viewer?ra=119.4578&dec=53.4234&zoom=11&layer=decals-dr2

Nice! I think this is a planetary nebula:

That is absolutely stunning, great catch