... A team of Japanese scientists including Armagh astronomer Dr David Asher have announced the discovery of the second largest known Earth-crossing asteroid. The group is based at the new Japanese Spaceguard Centre at Bisei, west of Osaka. ... The subsequent tracking and orbit determination was assisted by Armagh asteroid expert David Asher, who is currently visiting Japan to help in the setting up of the new Spaceguard Centre funded by the Japanese government. ...

Discover the cosmos! ... 2005 December 5 . Fountains Discovered on Saturn's Enceladus . Credit: Cassini Imaging Team , SSI , JPL , ESA , NASA . Explanation: Fountains of ice shoot out from Saturn's moon Enceladus. Clear discovery images of the fountains were made using observations from the robot Cassini spacecraft currently orbiting Saturn . During a recent pass, Cassini was programmed to look back toward the Sun where Enceladus would appear as a thin crescent . ... About APOD | ...

Supernova 2002an in NGC 2575 . This page is devoted to information on Supernova 2002an in NGC 2575 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 updates and links web pages. Discovered by Japanese amateur Yasuo Sano . ... Yasuo Sano's 2002an discovery page . ... Image Credit . ... Mag . ... 2002/01/22.522 . ... Yasuo Sano image . ...

This is the homepage of Andrew Fruchter, an astronomer on the staff of the Space Telescope Science Institute . ... Here you can look at an HST images of the optical counterparts of gamma-ray bursts and their host galaxies. ... Therefore, substantial information on the fine scale structure of objects can be obtained by offsetting the pointing of the telescope between exposures and then combining these "dithered" exposures into a single image. ...

... 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. ...

... CalDB Coord Converter Date Converter Energy Converter FITS FITSIO FTOOLS fV - FITS file editor Hera form manager RPS proposal submission Time Converter TOPbase - atomic data Viewing - possible obs times W3nH - absorption W3PIMMS - flux/cnt converter WebSpec - spectral sims Xanadu - data analysis xTime - RXTE time converter . ... Nova Herculis 1991, shown in this PSPC image, is a fast, high inclination, long period nova which contains a massive white dwarf and is part of an eclipsing binary system. ...

Family ASTRO was initially developed to expand the ASP?s flagship program Project ASTRO?, which has partnered thousands of volunteer amateur and professional astronomers around the country with classroom teachers and students in their communities. ... Since then, we?ve trained not only many Project ASTRO partners, but also hundreds of other educators across the country to use our series of Leader Kits and Take-Home Activities to lead fun, hands-on Astronomy Events in their communities. ...

... Massive stars, having 10-150 masses of the Sun, with metallicities Z tens to hundreds times less than that of the Sun (Zo), are the main regulators of the galaxy formation and evolution processes in the early Universe. ... In this galaxy, using the 6 m BTA telescope, a new massive blue variable star with high luminosity (>=10 5 Sun's luminocities in visible light) was found. As far as its properties are concerned, this star falls into an LBV (Luminous Blue Variable) class of stars. ...

... Stars . ... Cepheid variable stars have been known since the 18th century. ... Regularly brightening to a peak over days, weeks or months before fading these variable stars were remarkable curiosities to astronomers in past centuries.€а The term Cepheid is taken from the star Delta Cephei in the constellation of Cepheus, which was identified as variable€а in 1784 by the teenaged prodigy John Goodricke (1764-96). ... Tweets that mention Cepheids: Inconstant Stars which break the rules | ...