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The Black-Drop effect as seen during the Venus transit of June 8, 2004 over Cape Code Bay, Massachusetts. Images were taken with a tripod mounted Nikon 300mm f/2.8 lens with a 2x teleconverter (600mm f/5.6) and the Nikon D-70 DSLR. The individual frames were taken at about one minute intervals over about 30 minutes and were manually aligned and combined to create this GIF animation.