Tag Archives: comets

Zodiacal Light West of Flagstaff, Feb. 2015

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The zodiacal light at 7:51 pm (MST) on February 10, 2015, as seen from the west parking lot of the U.S. Naval Observatory near Flagstaff. If you’re wondering where the Observatory is, it’s about five miles west of downtown (Google maps link). … Continue reading →

DDA 2015 – High precision comet trajectory estimates: the Mars flyby of C/2013 A1 (Siding Spring)

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This is one of a series of notes taken during the 2015 meeting of the AAS Division on Dynamical Astronomy, 3-7 May, at CalTech. An index to this series (all the papers presented at the meeting) is here. Session: Dynamics of Small … Continue reading →