Lyra; the Lyre
The constellation Lyra, named after the lyre, a stringed instrument. In Japanese, it is associated with the koto (琴).
In the constellation Lyra, there is a bright star called Vega.
It is easy to find Lyra in the summer night sky.
Alternate spelling using the kanji 琴 (koto, the musical instrument). Less common than こと座.
From 琴 (koto, a traditional Japanese stringed instrument) + 座 (constellation). The constellation is named after the lyre, which is likened to the koto.