This is the ninth video in our series examining the constellations of the night sky in depth. Last time, examined Hercules and the globular cluster M13. This time we take a closer look at Cygnus the swan and the summer triangle.

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Planetarium visuals were created using Digistar 6 by Evans & Sutherland.

The music used is "Penumbra" from the album "Echoes" by the artist Stellardrone. The song has been modified from the original. Music is used here under a Creative Commons 3.0 Attribution Unported License.

stellardrone.bandcamp.com/album/echoes
creativecommons.org/licenses/by/3.0/