Photos of Comet ISON: A Potentially Great Comet

NASA Comet ISON webcast


NASA will hold a live Thanksgiving Day webcast on Nov. 28 to track the Comet ISON's sun encounter. Watch It Live Here.

Comet ISON Seen by STEREO-A


This still from a NASA video by the STEREO-A spacecraft shows Comet ISON, Mercury, Comet Encke and Earth over a five-day period from Nov. 20 to Nov. 25, 2013. The sun sits right of the field of view of this camera. [Read the Full Story Here]

Comet ISON near SOHO LASCO C3 camera

Credit: Starry Night software.

At noon on Wednesday November 27, Comet ISON should be visible at the plotted location in the view of the SOHO satellite’s LASCO C3 camera. The next day it will pass perihelion at 1:44 p.m. EST. If it survives, it will be moving towards the top of the LASCO field. How to Watch Comet ISON via SOHO Observatory

Hyper Suprime-Cam Captures Comet ISON's Long Tails

Subaru Telescope, National Astronomical Observatory of Japan (NAOJ)

During an intensive commissioning run, Hyper Suprime-Cam, mounted at prime focus on the Subaru Telescope, has successfully imaged the Comet ISON (C/2012 S1) on Nov. 5 as it journeys toward the Sun. Especially striking in the image are the comet's long tails, which span a distance more than twice the diameter of the full moon. This image was released Nov. 25, 2013.

Comet ISON over Paraná, Brasil

Fabiano Cardoso

Fabiano Cardoso sent this photo of Comet C/2012 S1 ISON taken on Nov. 21, 2013 from Paraná, Brasil.

Comet ISON on Nov. 17 by Jason Hullinger

Alex Conu

Jason Hullinger sent this image of Comet C/2012 S1 ISON taken on Nov.17 from Joshua Tree National Park.

Comet ISON on Nov. 16 by Alex Conu

Alex Conu |

Alex Conu sent this image of Comet C/2012 S1 ISON taken at Fundulea, near Bucharest, Romania on Nov. 16, 2013.

NASA Releases Comet ISON Images from STEREO


Comet ISON entered the view of NASA's Solar Terrestrial Relations Observatory on Nov. 21, 2013, where it can be seen with Earth, Mercury and comet 2P/Encke.

NASA'S STEREO Shows Comet ISON Approaching Sun


This still image from NASA's STEREO-A spacecraft shows comet ISON just passing the plane of Mercury, with Comet Encke ahead and slightly above on Nov. 22, 2013. The sun is off-screen to the right.

Eyes on Comet ISON


An infographic detailing comet ISON's perilous trip to the sun.

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