... 2012 February 25 . Stephan's Quintet . Image Data: Hubble Legacy Archive , ESA , NASA ; Processing: Al Kelly . Explanation: The first identified compact galaxy group, Stephan's Quintet is featured in this eye-catching image constructed with data drawn from the extensive Hubble Legacy Archive . About 300 million light-years away, only four of these five galaxies are actually locked in a cosmic dance of repeated close encounters. ... Archive | ... About APOD | ...

. Moscow Astronomical Plate Archives: Contents, Digitization, Current and Possible Applications. Light Curves of New Variable Stars Discovered on Scans of Moscow Collection Plates, Field 66 Oph (MDV). MDV catalog - CDS access. Moscow plate collection (Sternberg Astronomical Institute), S.Yu. Shugarov's interactive page. Send questions and comments to N. Samus and S. Antipin .

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2000 February 28 . The Sombrero Galaxy from VLT . ... FORS1 , VLT ANTU , ESO . ... Reasons include the Sombrero 's unusually large and extended central bulge of stars, and dark prominent dust lanes that appear in a disk that we see nearly edge-on. Billions of old stars cause the diffuse glow of the extended central bulge. ... About APOD | ...

. Photometry Reference images (transfering)

. of Lomonosov Moscow State University, . Russia . GCVS Research Group . Catalogues of Variable Stars . Future Prospects of Variable-Star Catalogues . B.V. Kukarkin Centenary Conference: Variable Stars, the Galactic Halo and Galaxy formation (VS-Halo) . What's new . Recent publications . Digitization of Moscow Plate Archive . The "Peremennye Zvezdy" (Variable Stars) journal . Send questions and comments to Olga Durlevich .

... Астрономические данные в Сети - где искать и как пользоваться? Сайты с астрономической библиографией . ... Каталоги и базы данных в Сети. ... Говоря о каталогах, всегда вспоминают в первую очередь базу данных в Страсбурге http://cdsweb.u-strasbg.fr/Cats.html Является стандартом де-факто и де-юре - все таблицы и каталоги по указанию МАС со всего мира стекаются именно сюда. ... Есть система визуализации данных Aladin и объектно-поисковая система (вот к ней-то доступ и ограничен - в смысле платный.. ...

The Nine Planets is best viewed on-line via a graphical WWW browser which displays the pictures in color and supports hypertext link traversal. ... To view the movies and hear the sounds, you'll need additional helper programs. ... I recommend that you use Netscape as your browser. Netscape can display gif and jpeg images directly without need of any additional helper apps. You do need additional helper apps for movies and sounds, however. ... Yahoo's Helper Applications .. ... Tech Help .. ...

... The distance scales of the objects are matched both by comparing the first derivatives of the angular velocity determined separately from radial velocities and proper motions and by the statistical-parallax method. ... Good agreement between the inferred 0 and our calculations based on space velocities suggests that the Lindblad relation holds throughout the entire sample volume. ... Brandt and Blitz (1993) published the distances and radial velocities for a total of 206 H II-regions. ... Astron. ...