... APOD: 2008 January 2- A Galaxy is not a Comet . 2.01.2008 . ... APOD: 2008 January 1- Rays from an Unexpected Aurora . ... 31.12.2007 . Two spectacular comets graced Earth's skies during 2007. ... Early in 2007, Comet McNaught grew brighter than any comet in 40 years, displaying a beautiful dust tail that flowed across the sky. ... A Beautiful Boomerang Nebula . ... Sprawling across hundreds of light-years, emission nebula IC 1396 mixes glowing cosmic gas and dark dust clouds. ... 2007 2008 . ...

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... December 17, 1999 . Hot Gas In Hydra A . ... Explanation: The Hydra A galaxy cluster is really big. ... But individual galaxies are too cool to be recorded in this false-color Chandra Observatory X-ray image which shows only the 40 million degree gas that permeates the Hydra A cluster. Astronomers have discovered that such X-ray hot gas clouds , millions of light-years across, are common in galaxy clusters . ... Tomorrow's picture: Irregular Galaxy Sextans A . ... About APOD > . ...

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• APOD: 2005 December 18 - M83: The Southern Pinwheel Galaxy from VLT
• APOD: 2011 June 5 - Another Nearby Supernova in the Whirlpool Galaxy
• APOD: 2008 January 2 - A Galaxy is not a Comet

In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...

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• The Galaxy Gallery: Messier Objects

Discover the cosmos! ... December 6, 1999 . M83: The Southern Pinwheel Galaxy from VLT . ... Explanation: M83 is one of the closest and brightest spiral galaxies on the sky. Visible with binoculars in the constellation of Hydra , majestic spiral arms have prompted its nickname as the Southern Pinwheel. Although discovered 250 years ago, only in this century was it appreciated that M83 was not a gas cloud but a barred spiral galaxy much like our own Milky Way Galaxy . ... About APOD > . ...

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• APOD: 2000 August 18 - X-Rays From Antennae Galaxies
• APOD: December 18, 1999 - Irregular Galaxy Sextans A
• APOD: August 7, 1998 - M65 Without Moth

... The radio view of the Seyfert galaxy PKS 2004-447 . ... The Fermi gamma-ray satellite has identified over 1500 gamma-ray sources with other galaxies. The majority are classified as flat-spectrum radio quasars, or BL Lacerate objects: just a handful have been identified with narrow-line Seyfert galaxies. ... These characteristics are extremely rare among gamma-ray loud AGN. Reference: "The Gamma-Ray Emitting Radio-Loud Narrow-Line Seyfert 1 Galaxy PKS 2004-447 II. ... today * ATNF | ...

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• The HIPASS Bright Galaxy Catalog
• ATNF Media Release - 20 August 1998

... In the picture it looks like a peaceful place, but astronomers have spotted the violent explosions of two stars in this galaxy over the past 30 years. The explosion of a massive star is called a supernova. ... The first supernova that was spotted in this galaxy was discovered by professional astronomers, using a big telescope that is based in the desert in the country Chile in South America. ... Any changes in the brightness of an area of the galaxy could mean that a star has exploded. ...

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• http://www.eso.org/public/news/eso1602/kids/
• Around the Cat's Paw Nebula | ESO
• The hidden fires of the Flame Nebula* | ESO

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Posted on February 6, 2014 | 2 Comments While the winter sky may be the тАШAladdinтАЩs caveтАЩ for skywatchers, and we may already have plundered deeply one of its greatest celestial treasures, the constellation of Orion, we forge [ ] . Continue Reading.. Posted on January 22, 2014 | ... Posted on December 6, 2013 | ... Posted on November 6, 2013 | ... Posted on October 4, 2013 | ... Posted on September 9, 2013 | ...

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• constellations | Astronotes - Part 6
• meteors | Astronotes - Part 2
• Supernova in the Cigar Galaxy | Astronotes

... Tonight's Sky . ... The Magazine . ... Star Atlas . ... An artificial comet holds secrets to Earths life . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... The planet has extreme temperature swings and perhaps active lava flows. ... A digital supplement to Astronomy magazine. ... Join TravelQuest International with Astronomy and Discover magazines on one of three great tour options surrounding this celestial spectacle . ... Astronomy Magazine . ...

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• Bright galaxies | Astronomy.com
• What causes spikes around stars in pictures, and how can I prevent them? |
• Historical supernovae | Astronomy.com

MAIN PAGE . ... Nova Cygni August 1975! ... 1975/76: Comet West! ... Dr. Richard West (4th from left) & AAL members visiting SES Betzdorf on occasion of our club's 25th anniversary - October 1996 . Comet West Information . ... It was the brightest comet visible from Earth since Comet West in 1976. ... 1997: Comet Hale-Bopp! ... Thus Comet Hale-Bopp never got closer to Earth than Earth gets to the Sun. ... Comet Hale-Bopp JPL Page . ... 1999: Total solar eclipse over Luxembourg! ...

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... August was noteworthy by having the least number of hours of bright sunshine for at least 128 years, that is, since sunshine records began at the Observatory in 1880. ... The month was also exceptionally wet, with rainfall totaling 151.4mm (5.96 inches), nearly twice the average figure (around 81 mm) for August and the seventh wettest August at Armagh since rainfall records began at the Observatory in 1838. In order to find a wetter August we have to go back 52 years, to August 1956. ...

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• Weather August 2009
• Armagh Observatory Weather Record
• Latest News

Most of these images were obtained by Mike Bessell, Michelle Buxton, Hwankyung Sung, Ralph Sutherland and Bob Watson at SSO using a 2Kx2K Site CCD behind a Nikon or Hasselblad lens or directly on the 1m telescope. A few images are from the Hubble Space Telescope. Some of the M42 images were obtained with the KPNO 1m and ESO NTT telescope. One image is a mosaic of IRAS images. ... Details of the CCD imaging program at MSSSO. ... antenna.jpg (53KB) . ... ngc6744.jpg (59KB) . ...

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• GSAOI Latest Developments Page
• GSAOI Bulk Motions Science Page
• C/2006 P1 (McNaught)

... In the nuclear area of the galaxy within the ring, the nucleus appears elongated, and a fainter 3rd star-like component is discernable. ... The 'yellowy' halo about the off-centre nucleus of the ring galaxy is likely composed of redder stars, while the color-neutral nucleus doesn't appear distinctly different in color than either of the ring 'impactor' candidates at bottom center and top right of the picture. ... If so then why are the bright regions within the ring apparently color neutral? ...

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• Local astronomers find gigantic halo around neighboring galaxy - By MEGHA
• Starburst and Galaxy evolution
• BBC NEWS | Science/Nature | Vast halo extends galaxy's size

... RSDC . ... Press Releases (rus) || in Russian RSDC Quick Jump 9-year Galactic survey Catalog of sources 7-year Galactic Bulge Map Cleaning IBIS/ISGRI sky images IBIS/ISGRI Sensitivity vs. ... The INTEGRAL view of the Galaxy . ... May 2012: 9-year Galactic plane survey . ... They are ISGRI (higher plane detector of the IBIS telescope), JMX1 and JMX2 - two detectors of the JEM-X telescope. ... RSDC is actively participating in the all-sky survey carrying out with INTEGRAL observatory. ... 2016 IKI RAN...

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• Second Spectrum-RG/eROSITA Conference
• INTEGRAL 9-year Galactic Survey

The "ring of fire" seen by satellite cameras around the polar caps (picture below) is probably created by electrons leaking from the tail's plasma sheet, whose magnetic field lines form a somewhat imperfect trap. ... One possible explanation involves the close association between auroral arcs and electric currents which flow along field lines between the ionosphere and distant space ( Birkeland currents ). ... That produces an extra resistance to the flow of current. ...

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• FM-3I Instrument
• Chronology of early astronomy,mechanics and spaceflight
• Close-up of the Aurora

... ftp://www.kusastro.kyoto-u.ac.jp/pub/cgmw/ : This catalog, giving about 7000 galaxies behind the Milky Way between l = 210 degrees and 250 degrees, represents a systematic search for galaxies by means of 32 film copies of the UK Schmidt Southern Infrared Atlas on the Milky Way covering about 900 square degrees. ... Japan, Vol. ... This will be distributed upon request from Astronomical Data Analysis Center of the National Astronomical Observatory of Japan and other astronomical data centers. ...

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• Author Query Results
• Cosmology FAQ: Why haven't the CMBR photons outrun the galaxies in the Big...
• Blue Compact Galaxies from the Hambyrg/SAO Survey

... Field of research: Extragalactic astronomy. ... NASA Astrophysics Data System (ADS) Abstract Service . ... CADC Home Page . ... CCD Images of Galaxies . ... RUSSIAN LINKS . ... UA Astronomy Personal Home Page - Bill Keel . ... The Shape of the Rotation Curves of Edge-on Galaxies, by A.V.Zasov and A.V.Khoperskov, 2003. ... A Thickness of Stellar Discs, by A.V.Zasov, and D.V.Bizyaev, 2003 . Minimum Velocity Dispersion in Stable Stellar Disks, by A.V.Khoperskov, A.V.Zasov, and N.V.Tyurina, 2003 . ...

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... Date : the picture was taken on December 14th 1998 . Location : Courroux / Ju (Switzerland) . Equipement : telescope Celestron Ultima 8 operating at F/D=6.3 camera CCD ST7 operating at high resolution autoguided mode . Exposures : 6 exposures of 10 minutes each . Pictures treatment : logarithmic . Software : Prism98 version 3.0 for acquisition and treatment of the pictures . ... 2822 Courroux . ... David Bishop Last modified: Wed Dec 16 13:55:05 EST 1998 ...

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• Discovery of Supernova 2000C in NGC 2415
• Supernova 1999ee and 1999ex in IC 5179
• Supernova 1999cp in NGC 5468

TURNING JAPANESE as recorded by The Vapors I've got your picture Of me and you You wrote I love you I love you too I sit there staring and there's nothing else to do Oh it's in color Your hair is brown Your eyes are hazel And soft as clouds I often kiss you when there's no one else around I've got your picture , I've got your picture I'd like a million of you over myself I asked the doctor to take your ...

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• Photo album: Japan: Kyoto and Nara, August 1997

An image of the grand design of spiral galaxy M100 obtained with NASA's Hubble Space Telescope resolves individual stars within the majestic spiral arms. ... Hubble has the ability to resolve individual stars in other galaxies and measure accurately the light from very faint stars. This makes space telescope invaluable for identifying a rare class of pulsating stars, called Cepheid Variable stars embedded within M100's spiral arms. ... 617) 495-7062 . Fax: (617) 495-7356 . ...

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• dictionary
• Pat Slane: SNR Press Releases
• The AstroStat Slog Archives

... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Slacker Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Life Under the Moon . ... Seeing Jupiter's Moons . ... Time Zones and the Spherical Earth . A Companion to the Earth? ... December 19, 1999) . ... Big Moon, Little Moon . ... How Big is the Moon? ... 14, 2000) . ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! Talk about Bad Astronomy on the BA Bulletin Board! ...

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• Phil Plait's Bad Astronomy: Misconceptions
• Phil Plait's Bad Astronomy: Mad Science
• Phil Plait's Bad Astronomy: Bad News: