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South Pole Star Trails
08/02/12
No star dips below the horizon and the Sun never climbs above it in this remarkable Lewin's Challenge image of 24 hour long star trails. Showing all the trails as complete circles, such an image could be achieved only from two places on planet Earth. This example was recorded during the course of May 1, 2012, the camera in a heated box on the roof of MAPO, the Martin A. Pomerantz Observatory at the South Pole. Directly overhead in the faint constellation Octans is the projection of Earth's rotational axis, the South Celestial Pole, at the center of all the star trail circles. Not so well placed as Polaris and the North Celestial Pole, the star leaving the small but still relatively bright circle around the South Celestial Pole is Beta Hydri. A shimmering apparition of the aurora australis also visited on this 24 hour night. Credit & Copyright: Robert Schwarz (South Pole Station)
South Pole Star Trails
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