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has been monitoring comet ISON since mid-October, using broad-band filters like those used in this image. It has also been using special narrow-band filters which isolate the emission of various gases, allowing astronomers to count how many molecules of each type are released by the comet. Comet ISON was fairly quiet until 1 November 2013, when a first outburst doubled the amount of gas emitted by the comet. On 13 November, just before this image was taken, a second giant outburst shook the comet, increasing its activity by a factor of ten. It is now bright enough to be seen with a good pair of binoculars from a dark site, in the morning skies towards the East. Over the past couple of nights, the comet has stabilised at its new level of activity. These outbursts were caused by the intense heat of the Sun reaching ice in the tiny nucleus of the comet as it zooms toward the Sun, causing the ice to sublimate and throwing large amounts of dust and gas into space. By the time ISON makes its closest approach to the Sun on 28 November (at only 1.2 million kilometres from its surface— just a little less than the diameter of the Sun!), the heat will cause even more ice to sublimate. However, it could also break the whole nucleus down into small fragments, which would completely evaporate by the time the comet moves away from the Sun's intense heat. If ISON survives its passagenear the Sun, it could then become spectacularly bright in the morning sky. The image is a composite of four different 30-second exposures through blue, green, red, and near-infrared filters. As the comet moved in front of the background stars, these appear as multiple coloured dots. TRAPPIST (TRAnsiting
Planets and PlanetesImals Small Telescope) is devoted to the study of planetary systems through two approaches: the detection and characterisation of planets located outside the Solar System (exoplanets), and the study of comets orbiting around the Sun. The 60-cm national telescope is operated from a control room in Liège, Belgium, 12 000 km away.
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rniu 28 listopada (na odległość zaledwie 1,2 miliona kilometrów od powierzchni naszej gwiazdy - niewiele mniej niż średnica Słońca!), ciepło spowoduje jeszcze większą sublimację lodu. Może to spowodować rozpad całego jądra na mniejsze fragmenty, które potem całkowicie wyparują gdy kometa będzie już oddalać się od słonecznego ciepła. Jeżeli ISON przetrwa przejście w pobliżu Słońca, może być spektakularnie jasna na porannym niebie.
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million kilometres from its surface — just a little less than the diameter of the Sun!), the heat will cause even more ice to sublimate. However, it could also break the whole nucleus down into small fragments, which would completely evaporate by the time the comet moves away from the Sun's intense heat. If ISON survives its passage near the Sun, it could then become spectacularly bright in the morning sky.
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Halastjarnan ISON var fremur kyrrlát þar til 1. nóvember 2013, þegar fyrsta hviðan varð sem tvöfaldaði gasútstreymið frá henni. Þann 13. nóvember, skömmu áður en myndin var tekin, skók önnur stór hviða halastjörnuna og tífaldaði virknina. Nú er halastjarnan nógu björt til að sjást vel með
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This new view of Comet C/2012 S1 (ISON) was taken with the TRAPPIST national telescope at ESO's La Silla
Observatory on the morning of Friday 15 November 2013. Comet ISON was first spotted in our skies in September 2012, and will make its closest approach to the Sun in late November 2013.
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Nowe zdjęcie komety C/2012 S1 (ISON) zostało wykonane rano w piątek 15 listopada 2013 r. za pomocą teleskopu TRAPPIST w
Obserwatorium ESO La Silla. Kometę ISON po raz pierwszy można było dostrzec na niebie we wrześniu 2012 r. Najbliżej Słońca znajdzie się pod koniec listopada 2013 r.
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hæð — örlítið minna en þvermál sólar!), mun hitinn valda enn frekari uppgufun íss. Um leið gæti kjarninn líka sundrast og sólin þá nánast gereyða henni áður en hún færist frá sólu aftur. Standist ISON af sér ferðalagið framhjá sólinni, gæti hún orðið mjög björt á morgunhimninum.
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Myndin er sett saman úr fjórum 30 sekúndna myndum sem teknar voru í gegnum bláar, grænar, rauðar og og nær-innrauðar síur. Halastjarnan færðist miðað við stjörnurnar í bakgrunni þegar myndirnar voru teknar, svo stjörnurnar birtast okkur sem marglita punktar.
207:Þessi nýja mynd af halastjörnunni C/2012 S1 (ISON) var tekin með TRAPPIST sjónaukanum í La Silla stjörnustöð ESO, föstudagsmorguninn 15. nóvember 2013. Halastjarnan ISON fannst í september 2012 og kemst næst sólinni í lok nóvember 2013.
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292:"Unless specifically noted, the images, videos, and music distributed on the public ESO website, along with the texts of press releases, announcements, pictures of the week, blog posts and captions, are licensed under a
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Zdjęcie zostało złożone z czterech różnych 30-sekundowych ekspozycji w filtrach niebieskim, zielony, czerwonym i bliskiej podczerwieni. Ponieważ kometa porusza się na tle gwiazd, wydaje się zbiorem wielokolorowych plam.
363:– You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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The image is a composite of four different 30-second exposures through blue, green, red, and near-infrared filters. As the comet moved in front of the background stars, these appear as multiple coloured dots.
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jasna, aby zobaczyć ją w ciemnym miejscu za pomocą dobrej lornetki, na porannym niebie, po stronie wschodniej. W ciągu ostatnich kilku nocy kometa ustabilizowała swój nowy poziom aktywności.
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good pair of binoculars from a dark site, in the morning skies towards the East. Over the past couple of nights, the comet has stabilised at its new level of activity.
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handsjónauka þar sem aðstður leyfa á morgunhimninum í austri. Undanfarnar nætur hefur virknin verið stöðug.
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narodowy jest zarządzany ze sterowni w Liège w Belgii, z odległości 12 000 km.
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telescope is operated from a control room in Liège, Belgium, 12 000 km away.
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El cometa ISON no sobrevivió a su acercamiento con el sol según la NASA
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Transiting planets and planetesimals small telescope-South
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Seunaleuëk:On keue/Gamba Peuniléh Buleuën Duwa Blaih 2013
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1134:சூரியனில் மோதிய ஐசான் வால்வெள்ளியின் சிறு பகுதி தப்பியது
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Comet ISON (C-2012 S1) by TRAPPIST on 2013-11-15.jpg
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210:margar gassameindir losna frá halastjörnunni.
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1049:Комета ИСОН (Ц/2012 С1)
1019:利用者:セリヌンティクス/アイソン彗星消滅の謎
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1059:സി/2012 എസ്1
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979:سی/۲۰۱۲ اس۱
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