Computer Ephemeris. Ephemeris for physical observations of the planets. Explanations. Each row of the table contains for date specified at 0h of Time Terrestrial Dynamical: . ... position angle of axis of planetary rotation (degrees) - 'P', . ... illumanated part of the disk - k, . ... position angle of disk point with minimal illumination (degrees), . longitude of central meridian of the disk (degrees) - 'merid1' - system I and so... phase correction (degrees). ...

... Лента абразивная FIT на тканевой основе для ленточных шлифовальных машин. ... 100 Г. MasticDent Hios Herbs- это синтезированная паста с витаминами А, Е и В5 и мастичным маслом, которые укрепляют десны и зубную эмаль. ... Шаг измерения секундомера 1/100, максимальное время измерения 24 часа. ... Внешний слой: 100% полиэстер, саржа деним или 100% полиэстер, оксфорд с принтом . Подкладка: 100% тафта из нейлона / 100% ворсованный полиэстер и плюшевый трикотаж / сетка из 100% полиэстера . ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... November 9, 10, 11, 12 and 13 . December 6, 7, 8 and 9 March 24, 25, 26, 27 and 28 . ... December 3, 4 and 5 February 13, 14 and 15 . ... December 10, 11, 12, 13 and 14 . Incoherent Scatter Radar ionospheric parameters measurements are carried out on coordinated days determined by the International Geophysical Calendar. ...

As announced by the IAU Central Bureau for Astronomical Telegrams in Circular No. 9004 on 11 December 2008, Bulletin C36 of the International Earth Rotation and Reference Systems Service announced that a positive leap second will be added on 1 January 2009. ... Bulletin C is mailed every six months, either to announce a time step in UTC or to confirm that there will be no time step at the next possible date. Daniel GAMBIS Head Earth Orientation Center of IERS Observatoire de Paris, France ...

RECREATIONAL TELESCOPES . SPOTTING SCOPES . ... TELESCOPE ACCESSORIES . ... HOME . ... ABOUT LOMO . PRODUCTS . ... TELESCOPES . ... Home Products Telescopes . ... Over the past 2 years LOMO in association with American engineers has developed a new line of recreational telescopes, and spotting scopes, ranging from 30 mm to 254 mm in diameter. ... Recreational Telescopes : . Spotting Scopes . ... Telescope Accessories . ... LOMO America, Inc. ... 847) 215-8800, Fax: (847) 215-9073 . ...

VIEW OUT OF THE WINDOW FROM SPOKANE, WASHINGTON, USA . As for the weather here in Spokane, Washington in the USA, we are having very unusual weather. ... It should be in the 20 or 30 degrees and we are having 40-45 degree weather. ... It is now 12:03 in the afternoon when I am writing this letter to you. Very different in weather condition, hea? ... View Out Of the Window | BirthDay | ...

Supernova 1987A in LMC . One day in 1987, an astronomer by the name of Ian Shelton was making observations of the Tarantula Nebula in Large Magellanic cloud at Las Campanas Observatory, and he noticed something strange on his image. ... SN 1987A got as bright as 2.7, the only other recent SN even to come close was 1885A in M31 which got up to mag 6. ... Mag 4.5 . ... IAUC 4318 2/25/87 Type II? ... IAUC 7354 2/1/00 New structure in the inner ring . ... IAUC 7360 2/7/00 HST observation of new spot . ...

THE KAIDUN METEORITE: WHERE DID IT COME FROM? ... The formation of the subalkaline and alkaline clasts of the Kaidun meteorite, apparently also requires deep differentiation of material in a fairly large parent body. ... These differences in structure of two genetically linked clasts, due to the different encounter speeds of the clasts with the parent body of Kaidun, obviously indicate that these two events were separated in time. ... References: [1] Ivanov A.V. et al. ... 16] Ivanov A.V. et al. ...

Stellarium 0.12.3 . ... Classes . ... StelShortcutMgr Class Reference . ... voidљ . ... loadShortcuts (const QString &filePath, bool overload=false) . ... addGuiAction (const QString &actionId, bool temporary, const QString &text, const QString &primaryKey, const QString &altKey, const QString &groupId, bool checkable=true, bool autoRepeat=false, bool global=false) . ... if true, if a shortcut in the file already exists, replace its keys with the ones in the file. void StelShortcutMgr::loadShortcuts . ...

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. ...

. Предисловие. Введение. Глава 1. НЕМНОГО ТЕОРИИ. 1. Свет, оптические детали и характеристики систем. 2. Конические сечения. Поверхности вращения. 3. Как работает телескоп? . 4. Простейший телескоп. 5. Аберрации. 6. Ахроматические линзы. 7. Идеальный объектив и тонкая структура изображения. 8. Разрешающая сила телескопа. 9. Предельные увеличения телескопа. 10. Эффективность телескопа. 11. Типы телескопов.

Scale-heights of the Galactic disk subsytems with different ages and metallicities . V.Marsakov & Yu. ... It is based on the fact, that all stars cross the disk plane several times during their Galactic orbital period. ... We have used our representative sample of nearby disk F2-G2 stars Marsakov & Shevelev (1995) in which fundamental stellar parameters was determined on the basis of published date on uvby-photometry, proper motion and radial velocities. ... Marsakov V.A., Shevelev Yu.G. Bull. ...

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... VaST is a software tool for finding variable objects on a series of astronomical images. ... VaST performs object detection and aperture photometry using SExtractor on each image, cross-matches lists of detected stars, performs magnitude calibration with respect to the first (reference) image and constructs a lightcurve for each object. ... VaST FITS image viewer ./pgfv . ... Part I" PZP, vol. ... K. V. Sokolovsky, S. A. Korotkiy; "New Variable Stars Discovered by the NMW Survey" PZP, vol. ...