Time Frame: Saturday Night to Sunday Morning
Comet Hartley 2 will pass to within 11.2 million miles of the Earth on Oct. 20, just a week before it makes its closest pass by the sun. As a result, this comet should briefly become a naked eye object, perhaps becoming as bright as magnitude +4 or +5 – visible from rural locations but perhaps not from cities. The comet will be a morning object, racing rapidly southeast through the stars of Auriga and Gemini. Then, in early November the Deep Impact spacecraft, which had a rendezvous with Comet Tempel 1 in July 2005 should pass within about 600 miles of Hartley 2.
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