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. ...

... One thing I did do was to give a star party at my church as a fundraiser. ... Amateur Astronomers Association of Princeton Space Shuttle Discovery Blasts off On Final Flight In a truly dramatic finale to her very last launch, Space Shuttle Discovery blasted off to space at 4:53 p.m., Thursday, Feb. 24, with just two seconds to spare after an unexpected last minute computer glitch with Air Force tracking computers threatened to delay the liftoff yet again despite otherwise perfect launch conditions. ...

Russian Space Science Internet (RSSI) is a successful result of RSSI Project. ... space oriented organizations; . ... RSSI offers for its members : . ... videoconferences via MBONE Internet protocol (there are 2 tunnels available now through the general IP network: one to NASA Internet, and another to Moscow State University); . ... It is designed so that all organizations connected to the RSSI gain access to the resources of Russian computer networks as well as world wide Internet. ... nic@rssi.ru ...

About V I spectral lines with overlay of Zeeman and hyperfine structure splitting in spectra of sunspot umbra S.G. Mozharovsky Ussuriysk Astrophysical Observatory of FEB RAS, Ussuriysk, Russia sw@newmail.ru Abstract. ... Overlay of components of the different types can allow obtain the parameters of the magnetic field by the ratio of the component intensities. ... The structure of Zeeman splitting which follows from the parameters of the line atomic levels can be seen in Figure 1. [pic] Figure 1. ...

... 32, No. 4, pp. 295­306. i Electronic Version of the Third Volume of the General Catalogue of Variable Stars with Improved Coordinates N. N. Samus'1, 2 * , O. V. Durlevich2, A. V. Zharova2 , E. V. Kazarovets1 , N. N. Kireeva1 , E. N. Pastukhova1, D. B. Williams3 , and M. L. Hazen4 1 Institute of Astronomy, Russian Academy of Sciences, ul. ... If a variable star was absent in the existing positional catalogues, we measured its coordinates on original plates or available digital sky images. ... Star...

... 2014 . ... MAGNETIC FIELDS IN SOLAR ACTIVE REGIONS V.G.Lozitsky Taras Shevchenko National University of Kyiv, Astronomical Observatory lozitsky@observ.univ.kiev.ua, lozitsky_v@ukr.net Magnetic field measurements in solar active regions carry out on a base of the Zeeman effect. ... TRACKING OF RADIO BURST SOURCES IN SOLAR CORONA BY HELIOGRAPHIC MEANS Koval A.A. 1, Stanislavsky A.A. 1,2, Konovalenko A.A. 1 Institute of Radio Astronomy of NAS of Ukraine 2 V.N. Karazin Kharkiv National University 1 .. ...

Journal of Atmospheric and Solar-Terrestrial Physics Manuscript Draft Manuscript Number: ATP1021 Title: comment on the paper by Dalin , Pertsev and Romejko Significance of lunar impact on noctilucent clouds ( revised version) Article Type: Research Paper Section/Category: Keywords: Noctilucent clouds moon influence mesosphere Manuscript Region of Origin: Abstract: a critical review of the paper by Dalin , ... Reference: Dalin, P.A., N.N. Pertsev, V.A. Romejko. ...

... The space station Mir is the most complex and unique vehicle of the twentieth century. ... It is in proposing to UNESCO the procedure of giving to the space station Mir a status of the object of the World cultural heritage of the mankind as a very valuable unique object of the technical culture of the 20th century, and realization of the special project of its preservation. ... Proactive organization work to get in UNESCO the status of the object of the World cultural heritage for the station Mir; ....

... part 2 | ... Part 1 . The new concept of formation and development of the Solar system. ... Thus, the initial pulse of the rotation of a protosolar cloud of the solar system was determined as a result of the diversion of a part of the moment of the rotational pulse of the Galaxy. ... Besides this new approach to the pre-solar system as a system of the destroyed vortex structure, we can understand now a number of other peculiarities of the Solar system's structure. ...

... DII, without confirmation CD And System can belong to DGlate only because of its large period, but A2 is not suitable for DG. ... Only old photographic data are available. ... V395 And C May belong to CE only but spectra is somewhat later than needed V413 And Period is large to classify as SA, period is short to classify as DGlate. ... V1464 Aql C ELL+DSCT in VSX, RR in Simbad, confirmation is needed ER Ara Value of A2 is large, old photographic data only. ... Only old photographic data are known. ...

... The solar regions . ... The description of the solar regions . ... The law latitude bipolar formation of the Southern hemisphere observed from 14.07 to 21.07.06. ... In the previous Carrington rotation the group was submitted by the region 10896. ... It was observed from 30.07 to 3.08.06 at the tenth latitude of the Southern hemisphere, in the Western part of the Sun disc. ... The near-equatorial bipolar group was arisen 20.01.07 near to the region 10938, in the Western part of the Sun disc. ...

... Julian Date Flux Densities (mJy) Julian Date Flux Densities (mJy) 2440000:0 A1 A2 B C 2440000:0 A1 A2 B C 8930.9968 153.8 134.6 59.8 22.6 9021.6846 154.0 137.0 59.0 22.9 8939.7717 163.7 146.0 66.1 22.9 9024.6766 151.4 134.6 58.4 22.1 8940.8936 153.2 135.8 59.2 22.6 9030.5334 156.7 139.1 59.0 22.4 8944.7380 161.7 142.2 63.7 23.1 9032.6650 151.8 136.5 57.7 22.6 8951.8637 148.4 131.3 58.3 21.7 9036.7067 155.1 137.1 58.8 ...

... NICMOS ? ... Научный инструмент для наблюдений в инфракрасном диапазоне, используемый в космическом телескопе 'Хаббл'. ... 1М (космический аппарат) . ... 2МВ (космический аппарат) . 3МВ (космический аппарат) . ... AGILE (космический аппарат) . ... Dawn (космический аппарат) . ... SOHO (космический аппарат) . ... Spica (космический телескоп) . ... Swift (космический аппарат) . ... Астрон (космический аппарат) . ... Восток (космическая программа) . ... Союз (космический корабль) . Союз 7К-Л1 . ...

... Наши наблюдения кометы Хейла-Боппа (C/1995 O1). ... Достаточно большая серия наблюдений (более 100 изображений кометы) была выполнена до ноября 1996 года, когда Земля вновь заняла неудобное для наблюдений кометы положение на орбите. ... На серии наших снимков, еще в августе 1996г. отчетливо видны пять газовых струй, бьющих из ядра кометы. ... Вновь приступить к наблюдениям кометы Хейла-Боппа нам удалось только после окончания морозов и сезона ненастной погоды, в марте 1997 года. ... Кометы | ...

The new view on the population of Galactic open clusters A.E.Piskunov1, N.V.Kharchenko2, S.RЖser3, E.Schilbach3, R.-D.Scholz4 1 2 3 4 Institute of Astronomy, Moscow, Russia Main Astronomical ... Observatory, Kiev, Ukraine Astronomisches Rechen-Institut, Heidelberg, Germany Astrophysikalisches Institut Potsdam, Germany What are open clusters and what do they teach us Groups of Population I ... Cluster complexes: OCC-1 = Gould's Belt cluster complex? ...

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