An anonymous reader writes: Comet C/2012 S1 (ISON) will get to within 0.012AU of the Sun (extremely close) at the end of November 2013 and then to ~0.4AU from Earth at the beginning of January 2014! According to its orbit, this comet will be a naked-eye object in the period November 2013 — Janaury 2014. And it could reach a negative magnitude at the end of November 2013.
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