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. ...
... history, facts, technology, space ships . Posted by Askar under Russian Astronauts . ... 1948 . 1970 . .. . ... 1980 . . . ... 1991 ? ... In December 1990 - May 1991 and in January - July 1994 has made space flights as the commander of the basic expeditions on an space station ?Mir?. ... Russian Astronauts . ...
NMW survey overview . Access image archive . ... The New Milky Way survey aims to detect bright (V<13.5) optical transients near the Galactic plane using an automated wide-field (8x6 deg.) system capable of surveying the whole Milky Way area visible from the observing site in one night. ... All images obtained during the transient search survey are available online (please use the image archive access form ). ... Images per field: . ... Images per night: . ... Milky Way imaging time: . ...
Russian Space Science Internet (RSSI) Project has been established in April, 1993 after joint decision of Russian co-chairmen of Working Groups on Space Research and NASA to improve cooperative activities under the Agreement Between the United States of America and the Russian Federation Concerning Cooperation in the Exploration and Use of Outer Space for Peaceful Purposes (1992). ... NASA PSCN provides the telecommunications infrastructure from NASA to Space Research Institute RAS. ...