This galaxy is noted for its supernovae; 10 in the last 100 years. At 22 million light years and lying close to the galactic plane, its visibility from Earth is not helped by dust obscuring some of the light; well, that's my excuse anyway. The pretty cluster is in our own galaxy.
galaxy ngc6946 fireworks with open cluster ngc6939 in cepheus
700d + pn208     18x240s @ ISO 800

...and not forgetting the obligatory location of the latest supernova.I've always wanted to draw lines like when they discovered Pluto. So, here they are...