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SPACE.COM : NEW FOUND SUPER COMET ISON WILL BE SEEN IN DAY TIME IN 2013
ULP UNKNOWN LUNATIC POSTER
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User ID: 120622
09-26-2012 06:09 PM

Posts: 4,369



Post: #1
SPACE.COM : NEW FOUND SUPER COMET ISON WILL BE SEEN IN DAY TIME IN 2013
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A newly discovered comet has the potential to put on a dazzling celestial display late next year, when it will be so bright you may be able to see it briefly in the daytime sky.

The discovery of the object named Comet ISON was announced Monday (Sept. 24) by Russians Vitali Nevski and Artyom Novichonok, who detected it in photographs taken three days earlier using a 15.7-inch (0.4-meter) reflecting telescope of the International Scientific Optical Network (ISON), near Kislovodsk. The new comet is officially known as C/2012 S1.

When first sighted, Comet ISON was 625 million miles (1 billion kilometers) from Earth and 584 million miles (939 million km) from the sun, in the dim constellation of Cancer. It was shining at magnitude 18.8 on the reverse scale used by astronomers to measure the brightness of sky objects (the lower the number, the brighter the object). That makes the comet currently about 100,000 times fainter than the dimmest star that can be seen with the unaided eye.

But at its perihelion (its closest point to the sun), due on Nov. 28, 2013, the comet will come within 800,000 miles (1.2 million km) of the sun’s surface and could evolve into a dazzling object ― possibly bright enough to be visible for a short time in broad daylight. [Spectacular Comet Photos (Gallery)]

The most exciting aspect of this new comet concerns its preliminary orbit, which bears a striking resemblance to that of the “Great Comet of 1680.” That comet put on a dazzling show; it was glimpsed in daylight and later, as it moved away from the sun, it threw off a brilliantly long tail that stretched up from the western twilight sky after sunset like a narrow searchlight beam for some 70 degrees of arc. (A person's clenched fist, held at arm’s length, covers roughly 10 degrees of sky.)

The fact that the orbits are so similar seems to suggest Comet ISON and the Great Comet of 1680 could related or perhaps even the same object.

Comet ISON will be barely visible to the unaided eye when it is in the predawn night sky, positioned against the stars of Leo in October 2013.

On Oct. 16 it will be passing very near both Mars and the bright star Regulus — both can be used as benchmarks to sighting the comet. In November, it could be as bright as third-magnitude when it passes very close to the bright first-magnitude star Spica in Virgo.

The few days surrounding the comet’s closest approach to the sun on Nov. 28, 2013, are likely to be most interesting. It will whirl rapidly around the sun in a hairpin-like curve and perhaps becomes a dazzlingly bright (negative-magnitude) object.

The comet will then whirl north after perihelion and become visible during December both in the evening sky after sunset and in the morning sky before sunrise. Just how bright it will be and how long the tail may get during this time frame is anybody’s guess, but there is hope that it could evolve into a memorable celestial showpiece.

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http://www.space.com/17762-newfound-come...012s1.html

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(This post was last modified: 09-26-2012 06:19 PM by ULP UNKNOWN LUNATIC POSTER.) Quote this message in a reply
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Celestialguardian
Above and with in, is love
User ID: 123552
09-26-2012 06:19 PM

Posts: 7,677



Post: #2
RE: SPACE.COM : NEW FOUND SUPER COMET ISON CAN BE SEEN IN DAY TIME IN 2013
Looks like a comet now in 3D, after march when the D change is solid, will look like a huge space flotilla of 4d service to others galactic personel. for the game of which humans are awake is to commence Heartflowers

“A belief is not an idea held by the mind, it is an idea that holds the mind”

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