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Re: {MPML} C/2013 A1 close approach to Mars in October 2014

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  • Bill Gray
    Hi Rob, ... Got your e-mail, set up my computer to run Monte Carlo clones, went out to pick up a pizza and do errands, came home, dined, put daughter to
    Message 1 of 33 , Feb 26, 2013
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      Hi Rob,

      > In the unlikely event of an impact...

      Got your e-mail, set up my computer to run Monte Carlo clones,
      went out to pick up a pizza and do errands, came home, dined,
      put daughter to bed... by which time 106132 virtual asteroids
      had been computed. 15 of them had collided with Mars, for a
      0.014% probability of impact.

      Nominal Mars-centric ephemerides are on a pseudo-MPEC at

      http://www.projectpluto.com/temp/mpec.htm

      Note the high uncertainty on the perimartian distance; it
      probably won't reach the mag -8.8 shown in the ephemeris. Still,
      maybe it'll be bright enough (and suitably placed) for something
      on Mars to get a nice picture or two. Elongation is such that
      it could be imaged coming in or going out.

      -- Bill
    • walcom77
      Hi All At the link below you can see our last image of comet C/2013 A1 (Siding Spring) taken remotely from the Faulkes Telescope South (mpc code E10 - LCOGT
      Message 33 of 33 , Mar 7, 2013
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        Hi All

        At the link below you can see our last image of comet C/2013 A1
        (Siding Spring) taken remotely from the Faulkes Telescope South (mpc
        code E10 - LCOGT Network) in collaboration with Horbury Academy:

        http://bit.ly/ZinYD3

        Details are on the caption.

        Our astrometry:

        NET UCAC-3
        CK13A010 C2013 03 07.48140 04 43 05.30 -18 14 48.5 18.9 N E10
        CK13A010 C2013 03 07.48507 04 43 05.25 -18 14 47.5 18.9 N E10
        CK13A010 C2013 03 07.49483 04 43 05.19 -18 14 44.8 18.9 N E10


        Our blog post about this comet and its 2014 close approach to Mars:

        http://remanzacco.blogspot.it/2013/03/comet-c2013-a1-and-its-close-approach.html

        Ciao,
        Ernesto Guido & Nick Howes
        http://remanzacco.blogspot.com
        http://twitter.com/comets77
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