Comet Hartley 2, 103P/Hartley, is a small periodic comet with an orbital period of 6.46 years. Next appearance will be April 20, 2017
Martz-Kohl Observatory
non-profit organization devoted to the amateur astronomer
Comet Hartley 2, 103P/Hartley, is a small periodic comet with an orbital period of 6.46 years. Next appearance will be April 20, 2017
The Marshal Martz Memorial Astronomical Association, Inc. is a 501(c)(3) charity.
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