The Second U.S. Naval Observatory CCD Astrograph Catalog ( UCAC2 ) Table of Contents 1) Introduction 2) Summary of the Project a) Observations and Instrumentation b) Reductions of UCAC Observations c) Computation of Proper Motions 3) Properties of the Catalog and Important Notes For the User a) Sky Coverage b) Completeness c) Positions, Proper Motions and Error Calculations d) UCAC2 Magnitudes e) 2MASS Photometry f) Non-stellar ... All stars in the UCAC2 have proper motions. ...

... Берулис И.И., Лехт Е.Е., Самодуров В.А. Вариации интенсивности мазерного излучения Н2О в направлении W51M. Тезисы XXIV Всесоюзной Радиоастрономической конференции, с. 144, 1991 . ... Р.Д. Дагкесаманский, В.А. Самодуров, В.Р. Шутенков . ... Дагкесаманский Р.Д., Самодуров В.А. Первые результаты обзора северной полусферы неба на частоте 102.5 МГц. ... Дагкесаманский Р.Д., Самодуров В.А. Первые результаты обзора северной полусферы неба на частоте 102.5 МГЦ. ... Р.Д. Дагкесаманский, В.А. Самодуров . ...

Space Agencies and Centres . Space research . ... BNSC - British National Space Centre . ... CNES - Centre National d' tudes Spatiales, France . ... NASDA - National Space Development Agency (Earth Observation Center), Japan . ... NASA Spacelink , includes information about the Mir station . ... John F. Kennedy Astronomy Observatory , contains rich list of astronomy sites . ... LIFE Magazine Space Links . ... Copyright RSSI 1993-1997, Space Research Institute RAS Network Information Centre ...

... ASTROPHYSICS 105 113 114 116 121 126 132 135 137 141 147 150 THE KINEMATICS PARAMETERS OF THE GALAXY USING DATA OF MODERN ASTROMETRIC CATALOGUES Akhmetov V.S., Fedorov P.N., Velichko A.B., Shulga V.M. .. ... Subsection "VIRTUAL OBSERVATORIES AND INTENSIVE DATA" 166 168 171 175 181 186 COMPARISON OF ZERO ZONE CATALOGUES OF THE FON PROGRAM BASED ON THE KYIV AND KITAB OBSERVATIONS Andruk V.M., Relke H., Protsyuk Yu.I., Muminov M.M., Ehgamberdiev Sh.A., Yuldoshev Q.X., Golovnia V.V. .. ...

Journal of the Amateur Astronomers Association of New York September 2008 Volume 56 Number 9, ISSN 0146-7662 EYEPIECE to communicate. ... Sykes said, "If you look at stars with exoplanets, if they were Earth mass and if round, [how do we know] they clear their orbit?" ... Planet Debate continued on page 10 Reminder: Urban Starfest Is September 6 The annual Urban Starfest takes place Saturday, September 6 in the Central Park Sheep Meadow from dusk to 10. ... September 29 New M oon a t 4: 12 a .m . ...

... The unlocked gate at the entrance to the observatoryтАЩs gravel driveway should remain closed to prevent the public from driving back to the observatory. ... This means that if there are still members of the public present at the observatory who do not wish to leave by 11:30 PM they will be locked in the park until a keyholder leaves and secures the gate(s) behind him/her. ... Roll the roof back using the hand crank near the computer room. ... Amateur Astronomers Association of Princeton, Inc., ...

... Les gaz de la poudre, dilatаЙs par la chaleur, repoussаИrent avec une incomparable violence les couches atmosphаЙriques, et cet ouragan artificiel, cent fois plus rapide que l'ouragan des tempаКtes, passa comme une trombe au milieu des airs. ... On n'avait pas, d'ailleurs, entendu dire que le projectile fб?t retombаЙ sur un point quelconque des аОles et des continents terrestres, et J.-T. Maston n'admettait pas un instant une chute possible dans les ocаЙans dont le globe est aux trois quarts couvert...

... A nasty dispute between the Strategic Defense Initiative Organization (SDIO) and the space-science community was narrowly averted early this year when SDI officials backed down on a planned launch of a satellite with a Russian-built nuclear reactor on board. ... Early Soviet space reactors orbited for two to three months, and two Soviet Topaz 1 experiments, one for six and one 12 months, created radiation belts that disrupted the operation of scientific satellites. ...