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Aerospace photographer Bill Hartenstein uses his iPhone to help take photos of the Perseid meteor shower early on Monday morning north of Castaic Lake, California August 12, 2013. According to NASA, the Perseid meteor shower, which is an annual event, reaches its peak on August 11 and 12. The fireballs from the meteorites are fast and plentiful, the agency adds, with as many as 100 visible in a single hour. [Photo/Agencies]