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    Bortle 4

    Kozushima Dark Sky Island International Dark Sky Park

    東京都, Japan34.2000°, 139.1300°Peak altitude 27°11.1h peak darknessBest: Jun, May, Jul, Apr, Aug, Mar, Sep, Feb, Oct

    Milky Way Calendar

    Nightly visibility ratings for Kozushima Dark Sky Island International Dark Sky Park

    Recognition

    Year designated

    2020

    Recognized by

    DarkSky International

    DSAG class

    2c

    Area

    1,858 ha

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