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Anybody here keeping track of ison

  1. Nov 28, 2013 #1
    anybody here keeping track of ison....

    I saw a thread on ison but it was inactive for days.So i have decided to make one.So here are latest pics of ison from SOHO


    [​IMG]

    its distance from SUN is 7,933,146 km
     
    Last edited: Nov 28, 2013
  2. jcsd
  3. Nov 28, 2013 #2
    Now it's distance from sun is 7,515,184km
     
  4. Nov 28, 2013 #3
    Live stream of ISON perihelion at the link below!

    http://cometison.gsfc.nasa.gov/

    Should be happening in about 1 hour from when I posted this
     
  5. Nov 28, 2013 #4
    guys is that saturn below in the left?
     
  6. Nov 28, 2013 #5

    davenn

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  7. Nov 29, 2013 #6
    hope it is big enough to see by naked eyes :(
     
  8. Nov 29, 2013 #7
    No, that is the bright star Antares. The "ring" is a CCD camera artefact caused by electrons from oversaturated pixels leaking into adjacent pixels.
     
  9. Nov 29, 2013 #8
    Thanks..
    But how do you come to know that it was Antares and no one else?
     
  10. Nov 29, 2013 #9

    davenn

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    use a planetarium program to see where the sun is amd what the surrounding stars are

    Stellarium is a good choice

    Dave
     
  11. Nov 29, 2013 #10

    davenn

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  12. Nov 29, 2013 #11
    thanks, the software is really cool,
     
    Last edited: Nov 29, 2013
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