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The comet is certainly sporting "two" tails, in fact it's an optical illusion. When we start to cross the comets orbital plane, we see the tail "sprayed" out from behind the comet giving the appearance of a sunward spike or "Anti-tail", in fact it's the dust spreading out behind the comet.
Other comets with more famous "Anti-tails" are Arend-Roland, Halley and Kohoutek.
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