... November 6, 1999 . X-ray Transit of Mercury . ... Explanation: This sequence of false color X-ray images captures a rare event - the passage or transit of planet Mercury in front of the Sun. Mercury's small disk is silhouetted against the bright background of X-rays from the hot Solar Corona . ... The dark notch is a coronal hole near the Solar South Pole , while a flaring coronal bright point can be seen to the left of the notch in the top frames. ... About APOD > . ...

Supernova 1999cl in M88 . This page is devoted to information on Supernova 1999cl in M88 Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main supernova page. Information on the original web pages for many of these images can be found on the Supernova links web page. ... M1 Supernova Search has a 1999cl page . ... Pedro Re' Animated gif image . ... DAX Observatory . ... vsnet-obs 21040 ] (fwd) Observation of Supernova 1999cl in M88 . ...

... 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 | ...

New GCVS Version (GCVS5) FileName Explanations ----------------------------------------------------------------- ReadMe This file GCVS5 The ... ------------------------------------------------------ 1- 2 I2 --- Constell [1/88]Constellation numeric code 3- 6 I4 --- Number Star number within the constellation 7 A1 --- Component *Component identification 9- 18 A10 --- GCVS * Variable ... Field is non-blank if magMin is a magnitude or amplitude given in a system other than that indicated by magCode. ...

... E.V. Kazarovets, N.N . Samus , O.V. Durlevich, S.V. Antipin, M.S. Frolov, N.N . Kireeva, E.N. Pastukhova Institute of Astronomy of Russian Academy of Sciences and Sternberg State Astronomical Institute of ... the Moscow State University ================================================================================ The 74th Special Name-list of Variable Stars , A.V. Kazarovets, N.N . Samus , O.V. Durlevich, S.V. Antipin, M.S.,Frolov, ... 3323 Samus, N.N., IBVS, 1997, No. ...

... Отмеченная наградами АстроТоп-а . ... 1) К участию в конкурсе допускаются все российские сайты на тему астрономии и космонавтики, и все русскоязычные сайты за пределами России. ... II) Сайт года . ... Победитель: Астронет - http://www.astronet.ru/ : подано голосов экспертов - 109 (всего - 129) . ... 3-е место разделили: Астрономия и Телескопостроение - http://www.astronomer.ru/ и Лента новостей космонавтики от Железнякова - http://www.cosmoworld.ru/spaceencyclopedia/hotnews/ : подано по 37 голосов; ...

... 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. ...