Here are a couple images of the Summer Triangle, one unlabeled and one with the asterism, its constituent stars, and a couple constellations labeled.
|The Milky Way in the area of Cygnus (the Swan or Northern Cross). See below for labels.|
Canon EOS 60Da, EF 16-35mm f/2.8 lens at 17mm & f/2.8. Four 30-second exposures at ISO 3200.
|Same image but with labels.|