NGC 6559
Bright and dark nebulae in Sagittarius. NGC 6599 is the region in the lower part of this image; in the upper section are neighbouring features IC 4685, IC 1274, IC 1275 and IC 4684.
Click on the image for a fullscreen version. See the page here for a wider view of this region including the neighbouring Lagoon and Trifid nebulae.
11-inch Schmidt-Cassegrain telescope at 1,960mm focal length; astro-modified DSLR camera.