... 2009 September 7 . Jupiter Over the Mediterranean . ... Pictured above, a picturesque starscape capped a serene seascape as seen from Turkey this past August. ... On the left, Jupiter is the brightest point in the image and since on the same side of the Sun as the Earth, was near its yearly brightest. Glowing just shy of magnitude -3, Jupiter was brighter than any star in the sky, and brighter even than Mars was during its famously bright opposition of 2003 August . ... About APOD | ...

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• APOD: 2003 September 21 - Inside the Eagle Nebula
• APOD: 2009 September 15 - NGC 6888: The Crescent Nebula
• APOD: 2014 September 24 - The Lagoon Nebula in Stars Dust and Gas

Astronotes Armagh Planetarium's Stellar Blog! ... Solar System . ... Space Flight . ... Search Results for ?stellar nursery? Posted on February 21, 2013 | No Comments A new image from the European southern ObservatoryтАЩs Visible and Infrared Survey Telescope for Astronomy €а(VISTA) telescope reveals the glowing clouds of gas and filaments of dust surrounding hot young [ ] . Continue Reading.. Posted on March 2, 2016 | ... Posted on November 12, 2015 | ... Posted on July 28, 2015 | ...

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• Jupiter | Astronotes - Part 4
• A Summer Night?s Stargazing | Astronotes
• Jupiter | Astronotes - Part 5

... Bright Jupiter in Taurus . ... Bright Jupiter is nearing its December 3rd opposition when it will stand in Taurus, opposite the Sun in planet Earth's sky. Clearly outshining yellowish Aldebaran, alpha star of Taurus, Jupiter is centered in this skyview from November 14th, also featuring the Pleiades and Hyades star clusters, familiar celestial sights as the northern hemisphere winter approaches. ... Of course, you can imagine NASA's Dawn spacecraft in this field of view. ... November . ...

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• Opposite the Sun
• Jupiter, Moons, and Bees
• NGC 3242: The 'Ghost of Jupiter' Planetary Nebula

... September 5, 1998 . The Pulsar Powered Crab . Credit: J. Hester and P. Scowen ( ASU ), NASA . ... Using a stunning series of visible light images taken with the Hubble Space Telescope (HST) , astronomers have discovered spectacular pulsar powered motions within the Crab nebula. Highlights of this HST Crab "movie" show wisps of material moving away from the pulsar at half the speed of light, a scintillating halo, and an intense knot of emission dancing, sprite-like, above the pulsar's pole. ...

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• APOD: 2000 September 6 - Emerging Planetary Nebula CRL 618
• APOD: September 9, 1999 - Comet Hale Bopp Over the Superstition Mountains
• APOD: September 22, 1998 - M61: Virgo Spiral Galaxy

... Tonight's Sky . ... The Magazine . ... Observing . ... Magazine . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... The Golden Earring, planetary nebula NGC 2867, and barred spiral galaxy NGC 3109 . ... Astronomy for Kids . ... A stellar summer planetary nebula . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...

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• September 2005 | Astronomy.com
• Bright planets meet at dusk | Astronomy.com
• Sirius, our brightest star, is orbited by a white dwarf т?? a dead star's core.

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... News Feed . ... 2013 December 5th . ... Minutes of the 89th meeting of the Management Committee of the Armagh Observatory and Planetarium 21 JUNE 2013 - PDF . ... Warm, Wet and Bright October . ... AOP Annual Report and Accounts for the year ended 31 March 2013 - PDF . ... Armagh Observatory Planetarium тАУ Appointment of Members to the Management Committee - PDF . ... Armagh Observatory Annual Report 2012 - PDF . ...

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• Featured Image | International Year of Astronomy in Ireland | Astronomy 2009
• Grubb 10 inch Refractor
• Melotte15 Inside The Heart Nebula | International Year of Astronomy in Ireland

You Can Make Stellar Images Brighter . Articles | ... A few months ago I wrote an article titled "You Can’t Make Them Brighter". So why am I now writing that you can make them brighter. ... The image of a focused star is actually a small disk called the Airy disk, named after the 19 th century scientist Sir George Airy. ... For a given aperture, a smaller Airy disk means that the light is focused to a smaller disk and is therefore brighter. ... www.astronomy.net . About Astronomy Net | ...

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• Articles written by astronomers for astronomers of all ages.
• You Can't Make Stellar Images Brighter - an Astronomy Net Article
• Finding Himalia, The Fifth Brightest Moon Of Jupiter - an Astronomy Net Article

... The Pleiades star cluster, also known as the Seven Sisters and Messier 45, is a conspicuous object in the night sky with a prominent place in ancient mythology . ... The stars in the Pleiades are thought to have formed together around 100 million years ago, making them 1/50th the age of our sun, and they lie some 130 parsecs (425 light years ) away. ... Data for these stars are listed in a table below. ... Yes . ... WEBDA Pleiades cluster data . ... M45: The Pleiades Star Cluster (2007 November 18) ...

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Photon Scattering: Basic Principle of Photon Scattering . Audio Narration is available . No Scattering: Photon Source and Detector . ... For optical photons, scattering goes as wavelength to the -4 power. In the case of blue photons compared to red photons, this means that blue photons are about 10 times more likely to get scattered than red photons. ... Watch the blue photons scatter away from the detector . ... Interstellar dust make stars appear redder than they really are . ...

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• Low Surface Brightness Galaxy Gallery

Прохождения БКП . через центральный меридиан Юпитера . в сентябре 2004г: . ... В указанные моменты времени вы увидите Большое Красное Пятно вблизи центра диска Юпитера. Это уникальное образование в атмосфере планеты легко доступно наблюдениям в пределах +/- полутора часов от указанного момента. ... Астрокалендарь | ...

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• Jupiter Red Spot September 2003

Program Number . ... Esther M. Hu, University of Hawaii . Near Infrared Observations of a Sample of z~6.5-6.7 Galaxies . Abstract . ... Panchromatic WFC3 survey of galaxies at intermediate z: Early Release Science program for Wide Field Camera 3. ... HST/ACS images of part of the GOODS field . ... The present program will build on these observations by using Wide-Field Camera 3 to obtain ultraviolet and near-infrared imaging, and grism spectroscopy, covering ~30% of the GOODS (South) field. ...

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• HST this week: 270
• HST this week: 250
• Stellar Photometry

... In spring 1998, we finished our postgrad studing, ".. summer's almost gone" . ... Researcher at ASC. ... Researcher at SAI. ... PhD Dec 1998; Researcher at SAI, postdoc in US. E-mail: atim#sai.msu.ru . ... E-mail: gorshkov#sai.msu.ru . ... E-mail: andrew#sai.msu.ru . ... Phd Oct 1999; Assistant professor at Chicago. ... PhD Feb 1998; E-mail: polar#sai.msu.ru . ... E-mail: sunny#sai.msu.ru Researcher at SAI. ... People of our Great Group (Gr-Gr hereafter), e-mail me, what do you think about it. ...

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... The Galactic low-mass X-ray binary GS 2023+338 was discovered during the burst on May 22, 1989 with the Japanise satellite Ginga (aka Galaxy). The flux reached 17 crabs (this unit of flux measurement is an bright X-ray source, Crab Nebula) at 10-35 keV. ... No other radio telescope worldwide carried out multi-frequency measurements. ... Upon 14 days the radio flux fell below the detection level at the RATAN-600 in relation to the decrease of the X-ray flux. ...

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• Events archive

... Earth is the tiny spot between Jupiter and the Sun). ... Distance Radius Mass Name Orbits (000 km) (km) (kg) --------- ------- -------- ------- ------- Sun 697000 1.99e30 Jupiter Sun 778000 71492 1.90e27 Saturn Sun 1429000 60268 5.69e26 Uranus Sun 2870990 25559 8.69e25 * Neptune Sun 4504300 24764 1.02e26 * Earth Sun 149600 6378 5.98e24 Venus Sun 108200 6052 4.87e24 Mars Sun 227940 3398 6.42e23 Ganymede Jupiter 1070 2631 1.48e23 + Titan ... Extrema .. ...

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• Jupiter Moon Callisto
• Jupiter's Moon Ganymede
• Jupiter's Moon Adrastea

... If you were playing the card game Top Trumps about the different types of stars in the Universe, you would definitely want a Yellow Hyper-Giant star in your hand. Just take a look at the stats for the Yellow Hyper-Giant shown in this photo: It is about 20 times heavier, 1000 times wider and it shines 500,000 times more brightly than the Sun! ... When the star was burning hydrogen fuel in order to shine brightly like our Sun does now it was much smaller in size. ...

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• The hidden fires of the Flame Nebula* | ESO
• The Flames of Betelgeuse | ESO
• Zooming in on the Seagull Nebula (IC 2177) | ESO

... Bad Astronomy . ... Bitesize Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... This image is a single frame of a GREAT animation made of several images of Jupiter and its moons by Antonio Cidadao. You can actually watch the moons orbit Jupiter! ... So it surprises me that no ancient texts describe the moons of Jupiter. ... If Jupiter were painted black, the four moons would be pretty easily seen with the naked eye from a dark site. ... 2008 Phil Plait. ...

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• Phil Plait's Bad Astronomy: Bitesize Astronomy
• Phil Plait's Bad Astronomy: Misconceptions

... Main . ... Pulsar Emission Mechanisms . ... Distinguished Visitor . PPTA algorithm development . ... Flux variations of PPTA pulsars . Carolyn Raithel (Carleton College) . ... Pulsar Wind Nebluae . ... Nov 1, 2010 - Jan 31, 2011 . ... June 23 - Aug 9, 2010 . ... Dec 8 - 17, 2009 . ... Dec 13 - 23, 2006 . ... Dec 3, 2006 - Jan 5, 2007 . ... Aug 10 - Dec 7, 2006 . ... June 29, 2006 - June 15, 2007 . ... May 15 - June 26, 2006 . ... Dec 31, 2005 - Feb 1, 2006 . ... Group . ... Pulsar Groups . ...

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• The 1000 Brightest HIPASS Galaxies
• Radio Images of Jupiter
• WALLABY - the ASKAP HI All-Sky Survey

. Please standby and you will be automatically connected to the new location of the unframed Supernova page. Or, click on the link above. If you have questions or problems, please email me at David Bishop dbishop@vhdl.org . Last modified: Mon Aug 27 12:40:15 EDT 2001

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• Supernova images - Best of
• Supernova 1998es in NGC 632
• Supernova 1999dq in NGC 976

... GSAOI Home . ... Science . ... Deep imaging at J , H , and K is required to identify all stellar objects, brown dwarfs, and planetary mass objects in the central region of the Orion Nebula Cluster down to masses comparable to that of Jupiter. This is required to establish the initial mass function, i.e., the number of stars of each mass that have formed, in this region of intense massive star formation. ... The fields of the GSAOI detectors are shown as four green squares in each frame. ...

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• Blue Straggler Stars
• C/2006 P1 (McNaught)
• SSO 2.3m Sept 2003 Images

IFP gallery SCORPIO (since 2000). Here some data observed on the 6m telescope with IFP installed in the SCORPIO focal reducer are presented. ... Velocity field . Mkn 1157 was observed 1 Sep. 2002 in the Ha emission line. Texp =32x240 sec, seeing 1.5", IFP260. ... This galaxy was observed September, 23 2000 in the Ha emission line, Texp=32x120 sec, seeing 2.5", IFP260. ... PV Cep was observed at the 6m telescope in May, 25 2003 in the [SII] 6716A with IFP501, Texp=36x200 sec, seeing 1.0". ...

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• Laboratory for the Stellar Magnetism Study of SAO of the RAS - Magnetic stars -
• About laboratory
• Results