Messier 55 is a globular cluster in the constellation of Sagittarius, located 17.600 light-years away. Being discovered by Nicolas Louis de Lacaille in 1752 from South Africa, this clus...
Working on HDR Multiscale Transform for a recent YT tutorial and M51 is a great target to use it on to enhance the core. It was a pleasure using data at this focal length on such a sma...