. " The Arecibo Observatory is sponsored by the National Science Foundation. Any opinions, findings and conclusions or recommendations . expressed in this publication are those of the author(s) and do not necessarily reflect the views of the National Science Foundation."

... Mark C. Lee (Colonel, USAF, Ret.) NASA Astronaut (former) . ... EDUCATION: Graduated from Viroqua High School, Viroqua, Wisconsin, in 1970; received a bachelor of science degree in civil engineering from the U.S. Air Force Academy in 1974, and a master of science degree in mechanical engineering from Massachusetts Institute of Technology in 1980. ... NASA EXPERIENCE: Lee was selected as an astronaut candidate by NASA in May 1984. ... Lee retired from NASA and the Air Force effective July 1, 2001. ...

... Staff Directory . ... Missions . HST . ... Hubble Heritage Project . Future Missions and . ... Missions Office . ... Research . Research Staff Directory . ... Events . ... The Quick Reaction Camera (QRC) project will install four 0.4 meter telescopes in a remotely-operated global network to provide ground-based follow-up observations to high-energy transient events detected by the High Energy Transient Experiment (HETE) satellite, due to be launched later this year. ...

... НЕПРЕРЫВНОГО МАТЕМАТИЧЕСКОГО ОБРАЗОВАНИЯ . ... Кружок ?Олимпиады и математика? ... Московская математическая олимпиада . Заочный математический конкурс . ... Устные математические олимпиады . Олимпиады по программированию . Математический праздник . Математические регаты . ... Математические бои . Олимпиада по геометрии им. И.Ф.Шарыгина . ... Программа ?Math in Moscow? Научные конкурсы . Творческий конкурс . ... График олимпиад . ... XXVII Математический праздник . ...

... Another piece of asteroid discovery news, from Terry Moseley: "Dave Grennan from Dublin has just discovered a Main Belt asteroid from his observatory in Raheny. ... Dave's discovery comes just after Dave McDonald's find of 2008 TM9 a few weeks ago. ... This is only the third asteroid ever discovered in Ireland. ... This has been an amazing year for astronomy in Ireland, and is a superb lead-in to IYA 2009!" ... International Year of Astronomy, Ireland National Node . ...

... PmWiki . Summary:Search wiki:) . ... SitePageActions 2 pages found out of 221 pages searched. A search for more than one word will find pages that contain all of the words. ... To limit your search to a single group, enter the group name followed by a slash at the beginning of the search string (e.g., "PmWiki/" or "Site/"). ... apple pie . ... apple' in the PmWiki group of pages . ... the phrase 'pmwiki/apple' in all groups of pages . ... all pages in the PmWiki group . ... Pulsar Surveys . ...

The following bug and limitations are known. Please send new bug reports, comments, suggestions to: saotng@head-cfa.harvard.edu: . ... When the raw data is being transferred to SAOtng by the external file access program, the GUI performance can slow down noticeably. When a cursor shape is changed (e.g. from circle to rectangle) using the (Button 3) marker menu inside the cursor, the button press actions inside the cursor become confused. ... This causes problems with discrete colormaps. ...

... Tonight's Sky . ... Observing . ... Sky this Month . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Observing Podcasts . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . Springtime observing for small telescopes . ... Gift Center . ... Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

... Field size . Object name . ... Map size . ... Field size: the approximate size of the map in the Y direction. ... Galaxies: . ... Galaxies, which size exceeds some value depending on the field and map sizes, are displayed with their real positional angles and sizes by 25m isophote. ... In the "tools" fields there are links to the several famous AVO (Astrophysical Virtual Observatory) resources: NED and Simbad databases and DSS2 (Palomar Digitized Sky Survey) images of the corresponding sky area. ...