... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

... Credit: Night Sky Live Project Explanation: The 2004 Leonids meteor shower had its ups and downs. ... Pictured above , a bright Leonid meteor was imaged by a Night Sky Live camera over Kitt Peak National Observatory early in the morning of November 19 during one mini-outburst. ... In mid-December, the Geminids meteor shower will give sky enthusiasts another good chance to see live meteors . ... Publications with keywords: Leonid meteor shower . Publications with words: Leonid meteor shower . ...

... 2004 November 23 . Leonid Meteors Streak . Credit: Night Sky Live Project . ... Although average rates were significantly less than many previous years, as expected, at least two unexpected " mini-outbursts " of several bright meteors over a few minutes were reported. Pictured above , a bright Leonid meteor was imaged by a Night Sky Live camera over Kitt Peak National Observatory early in the morning of November 19 during one mini-outburst. ... About APOD | ...

... Observing . ... Solar Observing . ... April 3 (SUN) - Solar Observing, Central Park , Manhattan . ... APRIL'S SKY . ... Lecture Series at the American Museum of Natural History The Amateur Astronomers Association is proud to present an astronomy lecture series from October through May each year for our members and the .. ... The€аAmateur Astronomers Association of New York€аwas organized in 1927 to promote the study of Astronomy, emphasizing its cultural and inspirational value. ...

... We present ultraviolet and optical spectra of the bright (V=16.5), high-redshift ( ) QSO HE1122 - 1649 (Reimers et al. 1995a,1995b). ... Keywords: absorption lines . ... The combined data are shown in Figure 1. ... The Ly profile reveals an absorbing subcomponent at in agreement with results from heavy element absorption lines detected in the high resolution optical data. ... Figure: Velocity profiles of heavy element absorption lines arising in the damped Ly system as seen in the optical data. ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . See also images taken on November 22nd . Image taken by Andy McCrea who says, . To me the comet appears yellowish and it has gone from star-like to a . ... More images from Andy McCrea here . ... The true explanation is that a very faint comet, known as periodic comet Holmes, produced a massive outburst of material and became a million times brighter than it was just a day earlier. ... More images from Andy McCrea . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Earth Satellites . ... Leonid meteors seen from 13 km altitude aboard an aircraft during the 1999 Leonids Multi-Instrument Aircraft Campaign (Leonid-MAC). Comet Tempel-Tuttle provides the cometary debris for the Leonid meteor shower. ... Every 17-19 November Earth crosses Tempel-TuttleтАЩs orbit and the Leonids become visible. With clear, dark skies observers may see 10 to 15 Leonid meteors every hour on those mornings. ...

... Recent Topics . ... MAO main . ... Free 30 minute lecture: How do Editors look at your paper? . ... От: Publishing Campus <journals@mail.elsevier.com> Кому: Ця електронна адреса захищена в?д спам-бот?в. вам потр?бно ув?мкнути JavaScript, щоб побачити ?? Отправлено: Fri, 28 Aug 2015 20:52:15 +0300 (EEST) Тема: Free 30 minute lecture: How do Editors look at your paper? ... Publish and get noticed: Free 30 minute lectures for authors . ... Copyright ї 2015 Elsevier B.V. All rights reserved. ...

To appear in "Fourth Workshop on Robotic Autonomous Observatories (2015)"RevMexAA(SC) METEOR OBSERVATIONS WITH MINI-MEGATORTORA WIDE-FIELD MONITORING SYSTEM S. Karpov, 1, 3 N. Orekhova2 G. Beskin, 1, 3 A. Biryukov3,4 S. Bondar,2 E. Ivanov,2 E. Katkova,2 A. Perkov, and V. Sasyuk3 RESUMEN 2 Favor de prop orcionar un resumen en espanol. ... The faintest detected meteors has the peak brightness about 10 mag, while the ma jority - from 4 to 8 mag. ... 2010; Karpov et al. 2013; Beskin et al. ...

Next: ZGSC (Compressed GSC) and XSKYMAP . ... This is a preliminary report on an investigation of the quality and properties of plates digitized during creation of the Guide Star Catalog (GSC). The results will be vital for reclassifying GSC objects. ... Many objects are measured on more than one plate, and thus have multiple catalog entries. ... Among the shortcomings of the GSC are: biased magnitudes and incorrect classifications for certain objects, presence of artifact objects. ...

ISSN 0236-2457 . Sincerely yours . Georgij Rudnitskij . Editor-in-Chief . gmr@sai.msu.ru . visit since March 12, 2010.

User has a possibility to add new string (row) with observed data to the table, to insert string between existing ones, to edit observed data or to delete some strings. To add string select task item in menu bar ( O – C , Identification, Plates, or Observatories ) and then Add String in drop-down menu. ... Marked strings will disappear. ... To select a place for inserting just mark some string, select Paste item in drop-down menu, and block copy appears above this string. ...

... This is common of most of the levels he makes. Demos Replaced : 3 ================================================================ Authors MAY use these levels as a base to build additional levels. ... Episode and Level # : E3M1 Single Player : Yes Cooperative 2-4 Player : Yes Deathmatch 2-4 Player : Yes Difficulty Settings : Yes New Music : Yes * Construction * Base : New level from scratch Build Time : 10 Hours Editor(s) used : DEU v5.1 BSP v1.1X Known Bugs : Automapper can't display some walls. ...

... STScI-PRC96-25 HUBBLE'S 100,000TH EXPOSURE CAPTURES IMAGE OF DISTANT QUASAR The Hubble Space Telescope achieved its 100,000th exposure June 22 with a snapshot of a quasar that is about 9 billion light-years from Earth. ... The fainter object just above it is an elliptical galaxy. ... The quasar and star are separated by billions of light-years. ... Image files in GIF and JPEG format and captions may be accessed on Internet via anonymous ftp from ftp.stsci.edu in /pubinfo. ...

Umbriel . Uranus II . Umbriel [UM-bree-ul] is the darkest satellite of Uranus. It is about the same size as Ariel and has about the same density. The surface appears to be old with large craters and does not change much from one location to another. Near the top is a puzzling bright ring called the fluorescent cheerio . ... Dark regions are represented as red and bright regions are represented as blue. The two white regions are bright ejecta from two fresh craters. ...

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. ...

Supernova 2000cl in NGC 3318 This page is devoted to information on Supernova 2000cl in NGC 3318 Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the Supernova links web page. ... Robin Chassagne's Supernova in NGC 3318 web page in French [ Translate ] . ... Robin Chassagne image . ... and Lidman image . ... vsnet-alert 4896 ] SN 2000cl in NGC 3318 . ...

Check out the new images (Jan 18-25) and (Jan 26-Feb 05) of the comet by Rob McNaught. ... Every few years a comet becomes bright enough to be easily seen with the naked eye but only every decade or so are these comparable with comets like Halley. ... Before Jan 13, the comet is not visible in the Australian sky after sunset. ... SOHO images . ... On Jan 12 at approximately 09:00 UT (8pm NSW time), comet C/2006 P1 McNaught appears at the 11 o'clock position in the images. ... STEREO images . ...

... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Observing . ... Venus shines at its brightest before dawn . The morning star dazzles as it climbs high and shines brightly during morning twilight in February and March. ... Venus appears especially prominent in February because it shines brightest and appears highest in the morning sky. ... The Sky this Week: Get your Venus and Mercury observing info from a daily digest of celestial events coming soon to a sky near you. ...

... SEARCH ASP SITE: Match ALL words Match ANY word . ... ASP Conference Series . ... Accidental Astrophysics: The Devil's In the Magnitudes, Part II . ... The star second to the Sun in brilliance is Sirius. ... Recall the magnitude system, passed down to us through a hundred generations of sky watchers, as a means of quantifying stellar brightness ("Accidental Astrophysics," May/June, p. 9). ... Yes, it is a magnitude difference, but that difference is due to the distance between us and the star. ...