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    Bortle 2

    Lost Trail National Wildlife Refuge International Dark Sky Sanctuary

    Montana, United States48.1800°, -114.9100°Peak altitude 13°11.8h peak darknessBest: May, Apr, Jul, Aug, Mar, Jun, Sep

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    Nightly visibility ratings for Lost Trail National Wildlife Refuge International Dark Sky Sanctuary

    Recognition

    Year designated

    2022

    Recognized by

    DarkSky International

    DSAG class

    2a

    Area

    3,733 ha

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