C/2012 S1 (ISON)

Comet ISON's dramatic final hours - new analysis

A new analysis of data from the ESA/NASA Solar and Heliospheric Observatory (SOHO) spacecraft has revealed that comet 2012/S1 (ISON) stopped producing dust and gas shortly before it raced past the Sun and disintegrated.When comet ISON was discovered in the autumn of 201

July 16, 2014

Comet ISON mysteries continue - Space News from Electric Universe

In November 2013, skywatchers around the world eagerly awaited the approach of Comet ISON. Dubbed the "Comet of the Century" by several in the media, some astronomers had predicted a stupendous cometary display as Comet ISON approached its perihelion. The

December 08, 2013

It's alive!

Just as we all accepted that the Comet ISON has most likely disintegrated under the high heat and gravitational stress of the Sun, amazing sungrazer came ALIVE, gaining more brightness. Thousands watched ISON's journey through the solar system and its unusual

November 29, 2013

Comet ISON vs The Sun - Updates

​Latest updates: December 2, 2013 13:45 UTC Comet ISON's November adventures video by Sun Whisperers 13:43 UTC Latest CIOC update: In Memoriam: "...Never one to follow convention, ISON lived a dynamic and unpredictable life,

November 28, 2013

Watch Comet ISON live - Solar observatories schedule

On November 28, 2013 at 18:44 UTC Comet ISON will reach its perihelion and fly by about 1.2 million km (730 000 miles) above the solar surface​. Since space-based solar observatories will be recording its passage just follow the links and timetable below for

November 27, 2013

Comet ISON - Timeline of events and best images since its discovery

November 30, 2013 ISON is fading and exiting LASCO C3 view. 08:18 UTC Comet ISON on November 30, 2013 @ 08:18. Image credit: ESA/NASA SOHO 05:30 UTC Karl Battams (NRL/CIOC) wrote and update on ISON and embeded cool gifs from STEREO: In

November 26, 2013

Dramatic fading of ISON's molecular emission lines

The team at IRAM millimeter telescope, Spain, reported today that they see consistent rapid fading of ISON's molecular emission lines. The fading was recorded between November 21 and 25 by at least a factor of 20

November 25, 2013

Space-based solar observatories ready for Comet ISON

Comet ISON will pass through the Sun's atmosphere at just about 1.2 million km (730 000 miles) above the solar surface on November 28, 2013 at 18:44 UTC. It is now entering the fields of view of space-based solar observatories and will be viewed first

November 25, 2013

Comet ISON entered STEREO Ahead HI1 field of view

Comet ISON entered STEREO Ahead HI1 field of view. First image was taken at 21:34 UTC on November 20, 2013. Both STEREO spacecraft will have a view of the comet in the COR1 and COR2 coronagraphs in the hours around closest approach on November 28. You can examine

November 21, 2013

Unique cosmic coincidence - comets Encke and ISON to fly by Mercury

Comet Encke will fly by Mercury within 0.025 AU (3.74 million km) on November 18, 2013 and only a day later, Comet ISON will pass it at 0.24 AU. This is a unique cosmic coincidence and NASA's MESSENGER spacecraft, which is orbiting the planet,

November 15, 2013

Comet ISON outbursts - could become easy naked-eye object by the end of the week

Observers around the world are reporting that Comet ISON brightened sharply last night and is now at the threshold of naked-eye visibility. By some reports, ISON surged in brightness by approximately 2 magnitudes over last 24 hours and is now brighter than

November 14, 2013

Comet ISON developed double tail

Comet ISON is every day more and more closer to the Sun, and with every new day it reveals more new details. More astronomers report clearly visible double tail feature. Primary ion gas tail developed a dust tail companion so now Comet ISON is double tail

November 12, 2013

Comet ISON is inside the orbit of Earth

Comet ISON has almost completed its journey from the Oort Cloud to Sun's photosphere and is now inside the orbit of Earth. On November 28, 2013 Comet ISON will fly only 1 million kilometers (2.7 solar radii) above Sun's surface,

November 09, 2013

Comet ISON expected to survive close Sun encounter

New studies released at the American Astronomical Society’s 45th Annual Division for Planetary Sciences meeting in Denver, Colorado suggests that Comet ISON could make it through its close perihelion passage near the Sun. Researchers Matthew Knight

October 11, 2013

Approaching Comet C/2012 S1 "ISON"

November 28, 2013 T -0 D-day! Comet ISON vs The Sun Most of you have already seen latest ISON images from SOHO's LASCO and are sharing this unique experience with the rest of the world. If you are not in the train yet... we are all watching ISON via

September 17, 2013

Comet ISON to fly by Mars on October 1 and meet the Sun on November 28, 2013

After several weeks of being hidden behind the Sun, comet C/2012 S1 (ISON) finally emerged from solar conjunction mid August, and early, tentative measures of its brightness by CIOC hint that it is beginning to slowly brighten up. CIOC writes: From

August 26, 2013

Comet ISON spews out dust and carbon dioxide-like gas

Spitzer Space Telescope observed Comet ISON for 24 hours period on June 13, 2013. Its processed imagery indicate that carbon dioxide and dust are spewing out of the comet at high rate. At the time, Comet ISON was about 312 million miles (502 million

July 25, 2013

Will Comet ISON slam into Earth?

Fear not! Comet ISON will not slam into Earth. Comet C/2012 S1 (ISON) will make its closest approach to Earth on December 26, 2013 at a safe distance of 63 million km from Earth. Watch the video bellow by VideosFromSpace explaining some comet basics and some

July 20, 2013

Hubble releases new stunning image of comet ISON

Enhanced image of comet C/2012 S1 ISON obtained by Hubble Space Telescope on April 30, 2013 have been released yesterday, showing the comet zooming through deep space in all its glory. Hubble Space Telescope views Comet ISON, April 30, 2013 (Credit:

July 17, 2013

Hubble captures Comet ISON in a time-lapse movie

Comet C/2012 S1 ISON is currently flying towards the Sun at a mind boggling speed of about 77 000 km/h (48 000 mph). Recently NASA released a time-lapse movie of the eagerly awaited comet. The movie is composed of images obtained by Hubble Space

July 05, 2013

How will Comet ISON perform?

Experts all over the planet are eagerly tracking Comet ISON (C/2012 S1), the so called "Comet of the century". However since June 22, 2013 the comet is so near to the Sun, less than 18 degrees, making it not visible against the dark sky. The comet will

June 30, 2013

Has Comet ISON stopped brightening?

Comet ISON is expected to become one of the most dazzling skywatching events while making a passage around the Sun later this year. In October of 2012 NASA's Jet Propulsion Laboratory (JPL) stated that Comet ISON (C/2012 S1) could reach magnitude -11.6, which

June 01, 2013

Is Comet ISON just an ordinary comet?

Well, if you ask the question from the title, most people who are even remotely interested in astronomy and comets will most likely answer – NO - Comet ISON ( Comet C/2012 S1) is not an ordinary comet! In fact, it is a very interesting comet with

May 05, 2013

Solar missions to observe comet ISON (How to track ISON on SOHO and STEREO imagery)

Comet ISON is on a journey through our solar system that will culminate in its close encounter with the Sun on November 28, 2013. At that time the comet will pass at a distance of only 2.7 solar radii from the Suns center. Comet C/2012 S1, named ISON, was

April 23, 2013

Earth could enter into dusty meteor shower from Comet ISON's tail

As comet ISON is approaching for its close encounter with the sun in November, 2013, excitement and anticipation are rising. Already being named the potential "Comet of the century" by some, because of the show it might put on for stargazers all over our

April 20, 2013

Comet ISON could become Comet of the Century

NASA's  Scientific Visualization Studio released another excellent video of  Comet ISON (C/2012 S1). It is expected to become one of the most dazzling skywatching event while making a passage around the Sun later this year. Based on

April 04, 2013