... Multiexposition 34 images Sun 1/1000 sec f/22 and 1 image background. ... It shows position of the Sun on the sky in the same time of a day during one year. Analemma - a trace of the annual movement of the Sun on the sky - is well known among experts of sun-dials and old Earth's globes as a diagram of change of seasons and an equation of time. ... Previously, the position of the Sun on the sky was calculated with computer as well as optimal moments of time for taking each of the exposures. ...

... Наблюдение метеоров - одна из самых перспективных научных задач, за которую может взяться любитель астрономии. ... Принято говорить, что в это время действует метеорный поток . Обычно указывается период активности и дата максимума для каждого метеорного потока. ... Такая точка в метеорной астрономии называется радиантом потока . ... Предельная величина (Limiting magnitude) - звездная величина самых слабых звезд, которые видны во время патрулирования активности метеорного потока. ...

Moscow Astronomical Plate Archives: . Contents, Digitization, Current and Possible Applications . ... We describe the astronomical plate archives in Moscow and Zvenigorod and the existing digitization projects. ... 2 The Plate Archive of the Sternberg Institute . The contents of the most important Moscow astronomical plate archive, that of the Sternberg Astronomical Institute, was briefly presented in Shugarov et al. [1] in 1999. ... THE MOSCOW PLATE COLLECTION (STERNBERG INSTITUTE) . ...

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. ...

... By undertaking a spectral and photometric investi­ gation of the central part of the bright elliptical galaxy NGC 759, we have found an optical counterpart for the circumnuclear molecular gas ring with the radius of # 3 ## (# 1 kpc) which was earlier reported by Wiklind et al. ... 2 Fig. ... More likely, this ring may be a consequence of a tidal encounter between the elliptical galaxy NGC 759 and a large spiral galaxy which was accompanied by a substantial gas accretion. ...

Solar Phys (2012) 276:97­112 DOI 10.1007/s11207-011-9883-6 Investigation of Hot X-Ray Points ( HXPs ) Using Spectroheliograph Mg XII Experiment Data from CORONAS-F/SPIRIT A. Reva · S. Shestov · S. Bogachev · S. Kuzin Received: 10 May 2011 / Accepted: 18 October 2011 / Published online: 24 November 2011 © Springer Science+Business Media B.V. 2011 Abstract Observations in the Mg XII 8.42 е line onboard the CORONAS-F satellite have revealed compact high ... Figure 7 Intensity variation of HXPs. ...

... Declined commitment to national space programs and drastic cuts in ICBM demand create a strong economy-driven trend to proliferate missile and space-related technologies to new markets. ... to establish a regime to provide space launch services to potential proliferators as an incentive against development of rocket launch capabilities of their own. ... Under such a condition new space powers definitely would not give up the development of independent space launch capabilities. ...

... The mount is also adjustable so you can orient the axis of rotation to make it parallel with the Earth's axis of rotation (see the section on Polar Alignment). ... Locate the opening in the equatorial mount on the DEC axis. ... To mount the telescope tube: 1. ... ADJUSTING THE MOUNT FOR POLAR ALIGNMENT In order for the clock drive to track accurately, the telescope's axis of rotation must be parallel to the Earth's axis of rotation, a process known as polar alignment. ... R.A. & DEC axis ! ...

... A Р?galitР? d'objectifs, elles permettent d'obtenir des grossissements plus considР?rables, parce que les rayons lumineux qui traversent les lentilles perdent moins par l'absorption que par la rР?flexion sur le miroir mР?tallique des tР?lescopes. ... Le tР?lescope des montagnes Rocheuses. ... Qu'allaient-ils dР?couvrir dans le champ de ce tР?lescope qui grossissait quarante-huit mille fois les objets observР?s? Des populations, des troupeaux d'animaux lunaires, des villes, des lacs, des ocР?ans? ...

Surveys in Geophysics (2005) 26: 95­133 DOI 10.1007/s10712-005-1874-4 с Springer 2005 MAGNETOSHEATH INTERACTION WITH THE HIGH LATITUDE MAGNETOPAUSE S. SAVIN1, A. SKALSKY1, L. ZELENYI1, L. AVANOV1, N. BORODKOVA1, S. KLIMOV1, V. LUTSENKO1, E. PANOV1, S. ROMANOV1, V. SMIRNOV1, YU. YERMOLAEV1, P. SONG2, E. AMATA3, G. CONSOLINI3, T. A. FRITZ4, J. BUECHNER5, B. NIKUTOWSKI5, J. BLECKI6, C. FARRUGIA7, N. MAYNARD8, J. PICKETT9, J. A. SAUVAUD10, J. L. RAUCH11, J. G. TROTIGNON11, Y. KHOTYAINTSEV12 and K. STASIEWICZ12

... This is commonly referred to as CPM (cost per thousand impressions).We pay you a percentage of revenues for the ads that you and your friends view with Harry, based on current CPM rates.You will get 75% of total revenue generated from your viewing.. ... REMEMBER: for every one hour the program on Your screen You'll get paid $0.50. And when You recommend those program to Your friends, reffering to Your personal ID, You'll get paid $0.10 for every hour the program open on Your's friends computer. ...