A safari in Tanzania takes one just south of the Earth’s equator. Here there is no visible North Star; it resides just below the horizon, obscured by the acacia trees and grasses of the Serengeti plain. A startrail image reveals its implicit location; the arcs to the north are perfect semicircles.
Serengeti National Park, Tanzania
14 June 2008
Canon EOS 30D, EF-S 10-22mm at 10mm
composite of 3-minute exposures at f/8, ISO 400