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... 1976 GG3 . ... 1976 YG1 . ... 1982 SP6 . ... 1982 SM7 . ... 1982 TQ2 . ... 1984 MR . ... 1987 SS17 . ... 1987 ST17 . ... 1976 SX5 . ... 1976 YL3 . ... 1981 RQ2 . ... 1981 SA7 . ... 1981 UO11 . ... 1982 UE7 . ... 1982 UJ7 . ... 1987 SU17 . ... 1987 SX17 . ... 1987 US4 . ...

... Our scientific interest is an accuracy of asteroid CCD observations obtained by amateurs and professional astronomers all over in the World. ... These data help us to analyse an accuracy of real CCD positions in the MPC Database. ... Do you test your observations of the small Solar System bodies permanently before sending them to the International Minor Planets' Center? ... Do you know a real accuracy of your positional CCD-observations in comparison with the other observatories' one ? ...

Statistics of sunspot activity . ... The solar regions . ... The description of the solar regions . ... The growing bipolar group had appeared at the tenth parallel of the Southern hemisphere 30.04.04, to the West from the central meridian. ... The sunspot with perceptible symmetrical penumbra was observed at the mid latitudes of the Southern hemisphere since 11.11 to 23.11.04. ... The small bipolar group was observed at the tenth parallel of the Southern hemisphere since 16.11 to 20.11.04. ...

... Spherical aberration, coma, and astigmatism are also easily observed using the star test. ... Off-axis images are complex. ... Fig. ... Diffraction by a circular aperture as a function of defocus for no aberration Airy Disk 1 wave defocus Less than 1 wave defocus Fig. ... Diffraction by a circular aperture as a function of defocus for third-order spherical aberration Paraxial Focus Small distance inside paraxial focus Moderate distance from marginal focus Immediate neighborhood of marginal focus Fig...

Shakht N.A., A.A.Afanas'eva, D.L. Gorshanov, E. V.Poliakow (Pulkovo Observatory, Russia): Title: Long-term photographic observations for selected objects of Pulkovo program: measurements and results. Abstract: The selected objects, observed at Pulkovo observatory during long time period have been of intense interest among astronomers, and now they are the most important aims for space investigations. ... Now we believe, that they also are interesting for observation during space mission Gaia. ...

RELATIVE SUNSPOT NUMBERS Description of Data from SGD Explanation of Data Reports: Relative Sunspot Numbers -- The relative sunspot number is an index of the activity of the entire visible disk of the Sun. ... The provisional daily Zurich relative sunspot numbers, Rz, were based upon observations made at Zurich and its two branch stations in Arosa and Locarno and communicated by M. Waldmeier of the Swiss Federal Observatory. ... This indicates the uncertainty above and below the predicted number. ...

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Programme of the Journ es 2014 . ... Presentation . ... Tang K., Soffel M., Tao J.-H., Tang Z.-H. Relativistic precession model of the Earth for long time interval. ... 12:00-13:00: Sub-Session on the "IAU/IAG Joint Working Group on Theory of Earth Rotation" . ... Getino J., Escapa A. Report on activities of the Sub-Working Group 1 "Precession/Nutation" of the IAU/IAG Joint Working Group on Theory of Earth Rotation. ... Heinkelmann R. IAU/IAG Joint Working Group on the Theory of Earth Rotation. ...

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

. . , - I - II I - III 1 2000 1 : .., .. 143. 21-923 . . /. . .-; . .., ... , 2000. 51. 1-2 1-3 . , , . - . . . 2 Text 1. Metals. Historical Review. Pre - reading. I. Listen, read and memorize the following words. extent[ ik'stent] n - , to a great extent - jewelry [ ] - , B.C. - before Christ [kraist] - tin n - come into being - ancient [ ] a - , exist [ ] v - undoubtedly [ ] adv - , contest [ ] n - , ore [ ] n - cease [si:s] v - , () ] a- precious [ standpoint [ ] n - lead [led] n - Bible [Дbaibl] - ] n -

... Institute of Astronomy of Russian Academy of Sciences . 119017, Pyatnitskaya str., 48, Moscow, Russia . ... About me: . ... I observed different objects (minor planets, satellites, variable stars, gamma bursts, etc.) by myself at Zeiss-600 and 2-m telescope. Also I had some experience with observational data from the 6-m telescope BTA (SAO, Russia), VLT (ESO, Chile), 1.5-m telescope in Maidanak (Uzbekistan) and infrared space telescopes Spitzer and Herschel. ...

... Local and Regional Coordinators, and OBSERVERS are needed for Friday night's spectacular Aldebaran Occultation and Graze Aldebaran is the brightest star, other than the Sun, that can be occulted by the Moon. ... Use your camcorder (or a borrowed camcorder) to record a strong local television station. ... Encourage other amateur astronomers, and other friends and relatives in the region of visibility to record the occultation with camcorders. ... This event is called an "occultation" by astronomers. ...

... history, facts, technology, space ships . Satellite ? ... общее описание . ... Satellite ?Geo-IK? - общее описание . ... Satellite ?Kosmos? - общее описание . ... Kosmos ? ... спутники наблюдения . ... Satellite ?Meteor? - общее описание . ... Satellite ?Molniya? - общее описание . ... Prognoz ? ... Satellite ?Prognoz -1 ? описание спутника ?Prognoz -1 ? ... Satellite ?Ekran? - общее описание . ... Satellite ?Elektron? - общее описание . ... Russian Astronauts . ... Russian Satellites . ...

... Р?С?С?С?Р?Р?Р?Р?РеС?Р?С?Р?РеР? ... Launched on February 17, 1996, the Near Earth Asteroid Rendezvous (NEAR) mission is to be the first of NASA's Discovery missions, a series of small-scale spacecraft designed to proceed from development to flight in under three years for a cost of less than $150 million. ... The ultimate goal of the mission is to rendezvous with and achieve orbit around the near Earth asteroid 433 Eros in February, 1999, and study the asteroid for approximately one year. ...