C/1999 T1 (McNaught–Hartley) is a near-parabolic long-period comet, discovered by Robert H. McNaught and Malcolm Hartley at the Siding Spring Observatory in 1999.
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This article is an automated import of the Wikipedia article "C/1999 T1 (McNaught–Hartley)", available at https://en.wikipedia.org/wiki/C%2F1999_T1_(McNaught%E2%80%93Hartley) . Text is licensed under CC BY-SA 4.0.