Crescent Nebula

Just getting started this season. The Crescent is In Cygnus the Swan. In the middle is a partially exploded star type called a Wolf Rayet. It burning heavier stuff than Hydrogen - the Crescent itself is the outer layers of Hydrogen it has shed. Its about 25 lightyears or 147 trillion miles across. The central star will go supernova soon in Cosmic terms - a few hundred thousand years :)

Here’s about 4 hours of frames. You can start to see the big oxygen bubble its in - the blue whispy stuff.