NGC 6104
NGC 6104 is a barred [spiral galaxy] located in the constellation Corona Borealis. It is designated as SPec in the galaxy morphological classification scheme, though it is clearly a barred spiral, and was discovered by William Herschel on 16 May 1787. The galaxy is approximately 388 million light-years away.
Two supernovae have been observed in NGC 6104: SN 2002de, and SN 2019svd.