NGC 6946 (Fireworks Galaxy)

The Fireworks Galaxy, also known as NGC 6946, is a captivating intermediate spiral galaxy located about 25.2 million light-years away in the constellations Cepheus and Cygnus. It earned its nickname due to the remarkable number of supernovae observed within it—ten in the past century alone. This is about ten times the rate observed in our Milky Way galaxy.

NGC 6946 is classified as an active starburst galaxy, meaning it has an extraordinarily high rate of star formation. Its spiral structure is quite irregular, with unusual magnetic arms located between the optical ones. The galaxy has an apparent magnitude of 9.6 and an apparent size of about 11.48 by 10.72 arcminutes in optical wavelengths.

The Fireworks Galaxy is a popular target for astronomers studying the evolution of massive stars, as well as for amateur astronomers looking for bright targets for small and medium telescopes. Its unique features and high supernova rate make it a fascinating object of study in the cosmos.

You can find more information on Wikipedia and the Constellation Guide.