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Post Info TOPIC: Comet C/2009 F6 (Yi-SWAN)
Blobrana


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RE: Comet C/2009 F6 (Yi-SWAN)
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Comet Yi-SWAN


A new comet has been discovered that should be the brightest comet in the sky this month. Comet C/2009 F6 (Yi-SWAN) is a long-period comet which will pass within 1.27 AU of the Sun on May 7. The comet is currently around magnitude 8.5 making it bright enough to be seen in small telescopes. Right now the nearly Full Moon will make observing the comet difficult but in a few days the Moon will not be a problem for evening observers. The comet is located north of the Sun. For southern hemisphere observers, you are out of luck. For northern observers, the comet can be observed in both the evening and morning sky.
Currently the comet is located in Cassiopeia. It is moving to the east and will enter Perseus by mid-month. The comet should continue to brighten as it approaches perihelion and may be as bright as magnitude 8.0.
The comet was found by Dae-am Yi of Yeongwol-kun, Gangwon-do, South Korea on March 26. He noticed the obvious blue-green glow of a comet on 2 images he took with a Canon 5D digital camera and a 90-mm f/2.8 lens. According to a post on the MPML mailing list by Maik Meyer, this is the 1st comet discovered by and named for a Korean citizen in the modern age. There were first sightings of comet by Koreans in the 18th century before the comets were named for their discoverers.

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Blobrana


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Amateur astronomers in South Korea and the U.S. have jointly discovered a faint new comet streaking across our solar system.
Called Yi-SWAN, the newfound comet is already visible to backyard telescopes in the Northern Hemisphere, although viewing will improve as the moon begins to wane on April 11.

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Blobrana


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Orbital elements:
    C/2009 F6 (Yi-SWAN)
T 2009 May 7.452 TT                                     MPC
q   1.27427              (2000.0)            P               Q
                   Peri.  129.799       -0.040567       -0.163178
                   Node   278.704       +0.283652       +0.944104
e   1.0            Incl.   85.748       +0.958069       -0.286427
From 128 observations 2009 Apr. 6-12.

MPEC 2009 - G41

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Blobrana


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Orbital elements:
    C/2009 F6 (Yi-SWAN)
T 2009 May 5.678 TT                                     MPC
q   1.28536              (2000.0)            P               Q
                   Peri.  127.997       -0.030050       -0.155073
                   Node   278.089       +0.253935       +0.954296
e   1.0            Incl.   85.842       +0.966754       -0.255483
From 93 observations 2009 Mar. 25-Apr. 9.

MPEC 2009 - G31

-- Edited by Blobrana on Thursday 9th of April 2009 05:57:42 PM

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Blobrana


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An amateur stargazer has discovered a new comet, becoming the first South Korean to do so, science authorities said Wednesday.
Yi Dae-am, who heads the Yongwol Insectarium in Gangwon Province, found the comet, named as Yi-SWAN C/2009 F6, using a 90 millimeter telescope and a digital camera on March 26.

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Blobrana


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Comet C/2009 F6 (Yi-SWAN) was discovered by Rob Matson on ultraviolet SWAN images taken by the SOHO satellite on the 29th March, 2009.
The comet is estimated to be at magnitude 10.7 and located in the constellation of Cassiopeia.
The comet was also independently discovered on the 26th March, 2009 by amateur astronomer  Koréen Dae-am Yi.
The orbital elements of the comet indicate a perihelion passage on the 8th May, 2009, at a distance of 1.2 AU from the Sun.

MPEC 2009 - G21
Ephemeris

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