In this photograph, taken in Gunma, Japan, it is very easy to see the asterism known as the Summer Triangle. The triangle is made up of three stars (the brighter ones visible in the photograph which somewhat border the tree). From left to right they are Deneb of the constellation Cygnus, Vega of the constellation Lyra, and Altair of the constellation Aquila. Also visible in the photograph are smaller constellations that appear within and around the triangle, including Lacerta the lizard, Delphinus the dolphin, Vulpecula the fox, and Sagitta the arrow.
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