... 2005 December 4 . Proxima Centauri: The Closest Star . ... It is Proxima Centauri , the nearest member of the Alpha Centauri triple star system . ... The brightest star in the Alpha Centauri system is quite similar to our Sun, has been known as long as recorded history, and is the third brightest star in the night sky . The Alpha Centauri system is primarily visible from Earth's Southern Hemisphere . ... About APOD | ... NASA Web Site Statements, Warnings, and Disclaimers . ...

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 > . ...

. 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 .

Supernova 1987A in LMC . One day in 1987, an astronomer by the name of Ian Shelton was making observations of the Tarantula Nebula in Large Magellanic cloud at Las Campanas Observatory, and he noticed something strange on his image. ... SN 1987A got as bright as 2.7, the only other recent SN even to come close was 1885A in M31 which got up to mag 6. ... Mag 4.5 . ... IAUC 4318 2/25/87 Type II? ... IAUC 7354 2/1/00 New structure in the inner ring . ... IAUC 7360 2/7/00 HST observation of new spot . ...

. 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. ...