Another Weeknight Quickie: The Crescent Nebula

Here's another quickie astro image (see the previous quickie image, M20, here). The Crescent Nebula is in the constellation Cygnus, the Swan, which is high in the sky on summer nights.

Crescent Nebula
AG Optical 10" f/3.8 Newtonian telescope and FLI ML11002-C camera.
45-minute exposure (3 x 15 minutes).