Coming up: Comet ISON in November 2013


You may have heard of Comet ISON, a comet discovered last year that is currently approaching the Sun. It is expected to be visible in the SOHO-LASCO C2 and C3: from SOHO’s viewpoint the comet enters from the lower right early on November 27 and exits towards the top near the end of November 30 this year.

Path of COMET ISON as seen from SOHO

Path of COMET ISON as seen from SOHO LASCO C2 and C3 coronagraphs.

It will also be visible from the COR1 and COR2 instruments on board both STEREO spacecraft. The SOHO Hotshot webpage for Comet ISON has many more links to more details on the path of the comet as seen from SOHO and STEREO. At the moment it looks like this, as seen by the Hubble Space Telescope. It might be a spectacular sight from Earth. The appearance of comets from Earth is hard to predict because how it looks when it gets closer to the Sun depends on the details of its composition. We’ll have to wait and see!

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  1. #1 by neilo on May 3, 2013 - 5:25 pm

    Are we not and ‘if’ not, why are we not turning Soho B round to follow comet ISON as it passes through the asteroid belt?…Surely it would be to our advantage to keep an eye on ISON in case it clips an asteroid and either sends the asteroid our way or ISON itself changes course due to an impact with an asteroid and heads our way.

  2. #2 by Gene Madd on June 24, 2013 - 3:46 am

    I Also Agree that the Lack of Data not for the lack of the tools Is really LAME..
    To announce a possible COMET of the CENTURY then Go blank for two months worth of data utter FAIL.
    To Go blank on Data while in an area where it may pick up stragglers …
    also FAIL…
    PUT A CAMERA ON IT.
    or follow up with weekly data..
    sheesh..

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