In Japan, the three most famous summer constellation are Cygnus, Lyra Aquila.
Each constellation contains a first magnitude star, such as Deneb in Cygnus, Vega in Lyra, and Altair in Aquila, which are relatively easy to see at night.

About KEIRINKAN

"Shinko Shuppansha KEIRINKAN", provides educational materials to create children's future under three brand names: "KEIRINKAN" , "Shinko Shuppansha KEIRINKAN," and "Bunken Shuppan".
"KEIRINKAN" is a brand of textbooks for elementary, junior high, and senior high schools.
"Shinko Shuppansha" is a brand of study books for home study. "Bunken Shuppan" is a brand of picture books and children's books.

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