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25 minutes of Mauna Kea

 While writing up an astrophotography semester project for one of my classes, I realized that I had been taking all my star trails from down at the Onizuka Center, and thought the top of Pu'u Kalepeamoa would be a better vantage point.

Polaris and star trails over Mauna Kea, with vehicular light trail on the summit access road, and the glow of lights at Hale Pohaku, the mid-level astronomers' lodging facility at the Onizuka Center for International Astronomy. 25-minute exposure.