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www.skyandtelescope.com/astronomy-news/observing-news/latest-updates-oncometison

Latest Updates on Comet ISON. By: Alan MacRobert | November 29, 2013. Only a dim "ghost of ISON" survived the comet's November 28th passage around the Sun. The comet's head dwindled away as it ...

www.nasa.gov/mission_pages/asteroids/comet_ison/index.html

NASA has initiated a Comet ISON Observing Campaign to facilitate global observation of the sungrazing comet, incorporating both space-based and ground-based telescopes and encouraging citizen scientists and both professional and amateur astronomers to participate.

en.wikipedia.org/wiki/Comet_ISON

Comet ISON, formally known as C/2012 S1, was a sungrazing comet discovered on 21 September 2012 by Vitaly Nevsky (Виталий Невский, Vitebsk, Belarus) and Artyom Novichonok (Артём Новичонок, Kondopoga, Russia). The discovery was made using the 0.4-meter (16 in) reflector of the International Scientific Optical Network (ISON) near Kislovodsk, Russia.

www.space.com/19973-comet-ison.html

Comet ISON was a sungrazing comet that was expected to put on a spectacular show in Earth's sky in late 2013. However, shortly after rounding the sun's far side on Nov. 28 (U.S. Thanksgiving), the ...

www.skynews.ca/comet-ison-update

Comet ISON appears to have dissipated, along with prospects for a postperihelion sight. December 13, 2013: As the Solar and Heliospheric Observatory (SOHO) video below shows pretty clearly, whatever part of Comet ISON that reemerged from behind the Sun after perihelion (the comet’s closest approach to the Sun) on November 28 was a mere ghost of a comet.

www.nightskyinfo.com/ison

Comet ISON in November 2013. Update (November 17): After a major outburst around November 13, Comet ISON is now magnitude +5 and visible with the naked eye from dark sky locations. Chances for a spectacular display in December now seem higher than ever…

escapeallthesethings.com/comet-ison-nibiru

Comet ISON: “Comet of the Century?” If you have not heard much about the odd-named Comet "ISON" yet, you may become quite sick of the updates on it before 2013 is out. Comet C/2012 S1 (ISON) could become one of only ten comets in history to be visible during the daytime due to its size and trajectory.

www.nasa.gov/content/goddard/comet-ison-may-have-survived

ISON appears as a white smear heading up and away from the sun. ISON was not visible during its closest approach to the sun, so many scientists thought it had disintegrated, but images like this one from the ESA/NASA Solar and Heliospheric Observatory suggest that a small nucleus may be intact.

science.nasa.gov/science-news/science-at-nasa/2013/04dec_isonrecap

The much-anticipated flyby of the sun by Comet ISON on Thanksgiving Day 2013 is over, and instead of becoming a Great Comet…. "Comet ISON fell apart," reports Karl Battams of NASA's Comet ISON Observing Campaign.

slate.com/technology/2013/11/ison-update-for-22-00-utc-nov-28.html

So comet C/2012 S1 (ISON) has passed the Sun, but not without cost: At some point previous to the rendezvous something happened to the nucleus (the solid part) of the comet, and by the time it ...