... 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...

... WINDOW, 0 plot, title='sum of rows', suma ;!!! function for finding mouse position !!! i=0 n=INTARR(3) !mouse.button=1 WHILE(!MOUSE.BUTTON NE 4) DO BEGIN CURSOR,X1,Y1,/DATA,/DOWN IF !MOUSE.BUTTON EQ 1 THEN $ PRINT ,FORMAT='( POSITION =[ ,I10.0, , ,F10.2, ] )',X1,Y1 ;,Q[X,Y] n[i]=x1;use only x coordinate of the position i=i+1 endwhile nit1=n[0] ; the position of the first hair nit2=n[1] ; the position of the ...

December 2006 Astronotes 1 Hubble sees Red! ... Hubble did the maths and discovered that M31 was very distant indeed (2.2 million light years away is the accepted figure today), so far in fact that it must be a galaxy in its own right. ... M31 Andromeda Galaxy A Hubble Space Telescope view of the galaxy's core is now called Hubble's Law, and it made his name. ... If you measure the redshift of a galaxy, you will know its velocity, and by Hubble's Law, you will automatically know its distance away. ...

... Integrated superconducting submm receivers and spectrometers. ... The main objective of this work is to develop and test a family of Superconducting Integrated Receivers ( SIR ) with quantum-limited sensitivity and high-resolution spectrometers for submm wave frequencies (up to 700 GHz). ... Fig 10.a. Fig. 10.a. Spectra measured by Integrated Receiver (FFO frequency = 495 GHz) at the gondola altitude 30 km for the limb scanning in the range 10.5 - 30 km with 1.5 km increment (from top to bottom). ...

... Telescope concept . ... The Submillimetron Project is dedicated to astronomical studies at the submillimeter and far infrared wavelengths using a cryogenic telescope located on the Russian segment of the International Space Station (ISS). The Astro Space Center of the Lebedev Institute of the Russian Academy of Sciences is responsible for developing the Submillimetron Project. ... Currently, the Astro Space Center is carrying out a pre-Project study under contract with the Russian Space Agency. ...

RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . Radio telescope 's beam General information Main characteristics of the Radio telescope Observing programs General view of the antenna array Main research areas Principle of generation of radio images Receiving systems Main characteristics of the base receiving-recording complex Calibrations Data archive and databases Publication SSRT - Radio telescope's beam . ...

... На форуме начался конкурс - Астрофотография месяца: АПРЕЛЬ! ... Астрофотография (Модераторы: Павел Бахтинов , Ivan Mhitarov ) ? Конь IC434 и все что рядом . ... Сообщений: 2 664 . Рейтинг: +79/-1 . ... 22.12.2008 [15:03:53] ? ... В улов попал конь, совсем немного - 65 минут в Ha. ... Записан . ... Сообщений: 4 962 . ... Ответ #1 : 22.12.2008 [15:32:12] ? Цитата: Тот самый Кеплер от 22.12.2008 [15:03:53] совсем немного - 65 минут в Ha. ... коня неба мне, полцарства за коня час экспозиций!! ...

... Wang, Y. M.; Ye, P. Z.; Wang, S.; Zhou, G. P.; Wang, J. X. A statistical study on the geoeffectiveness of Earth-directed coronal mass ejections from March 1997 to December 2000, // J. Geophys. Res. ... Gosling J. T. , The solar flare myth// J.Geophys.Res., ... Lindsay G.M., Luhmann J.G., Russell C.T., Gosling J.T. Relationship between coronal mass ejection speeds from coronagraph images and interplanetary characteristics of associated interplanetary coronal mass ejections// J.Geophys.Res. ...

... Get Object Information Returns: <string># Returns a string containing the current target object's name and object type. ... Returns: Nothing. ... LX200GPS AutoStar ­ Performs no function Select deep sky Library where D specifices 0 - Objects CNGC / NGC in Autostar LX200GPS 1 - Objects IC 2 ­ UGC 3 ­ Caldwell (Autostar LX200GPS ) 4 ­ Arp (LX200 GPS) 5 ­ Abell (LX200 GPS) Returns : 1 Catalog available 0 Catalog Not found LX200GPS AutoStar ­ Performs no function always ...

... 9) Oknyanskij V.L. 1994, "Optical-radio time delays in Q0957+561", Odessa Astronomical Publ., ... 11) Oknyanskij V.L. 1994, "Connection between X-ray and optical variability in NGC4151", in Proceedings of Int. Conf. ... 1994. 12) Oknyanskij V.L. 1994, "Connection between X-ray and optical variability in NGC4151", Astrophys. and Space Science, 222, p.157. ... 14) Oknyanskij V.L., van Groningen E., 1997, "Optical spectral variability of NGC4151 in 1990", Astronomical and Astrophys. ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... The ionogram catalogue is divided into the data file and the key file. ... The station codes database consists of the data file and two key files. ... This database consists of the data file and the key file. ... The antenna DB consists of two interrelated databases. ... The data file contains the following information: antenna type, antenna name, antenna parameters names, measurement units, and ranges of parameters. ...

УКАЗАТЕЛЬ ОСНОВНЫХ ИМЕН И НАЗВАНИЙ . Авангард' (Vanguard), PH - 64,65,68,72,74-82,84,87-89,95-97,104,109,112,183 . Авангард' (Vanguard), ИСЗ - 83, 85-89, 95 . Агат' (Agate), ракета - 135-137 . ... Ариан' (L-3S, Ariane), проект - 140,153-158,196 . ... Боссарт К. (Karel J. Bossart) - 110,111 . ... Дунфанхун-1'(ОРН-1), ИСЗ -110,183-186 . ... Кванменсон' ('Яркая звезда'), ИСЗ - 110 . ... Пайлот' (Project Pilot), проект - 102,103.108,112 . ... Able, ракета - 88 . ... SCORE, ИСЗ - 109,112,113 . ...

... 8, 859 - 864 (2013) / DOI 10.1002/asna.201311942 Eclipsing variables: Catalogue and classification E.A. Avvakumova1 , O.Yu. ... Kniazev: Eclipsing variables: Catalogue and classification 2 Evolutionary classes of eclipsing binaries The study supplies data with independently determined evolutionary classes of systems. ... We have used all conditions listed above to classify systems with unknown evolutionary type in our catalogue and have found two additional detached systems with subgiants. ...

. Webcams . Networking . Weather . Power . System health . Measurements . Copyright 2007 2013.

AN ORIGIN FOR THE SOUTH POLE-AITKEN BASIN THORIUM. ... Moscow University. ... Introduction: The lunar South Pole-Aitken (SPA) impact basin is one of the largest and oldest impact basins and has thus been heavily degraded by postbasin-formation primary impacts and their ejecta [1]. ... The SPA basin thorium map: The using data Lunar Prospector [4] the thorium distribution map demonstrated a hemisphere of the Moon which contains the SPA basin structure and its environs was constructed. ...

The efficiency of interaction of radiation with a particle and hence its optical properties depend on the particle chemical composition, size, shape, structure, etc. ... Particle size expressed in units of the wavelength of incident radiation, together with chemical composition, most strongly affects the optical properties of a scatterer. ... There are many methods to solve the light-scattering problem for a homogeneous spheroid (our survey of the light-scattering methods see here ). ...

Download Izmccd (~2.7 MB). ... for 1-5 bytes is number of a numbered minor planet, . ... Positions 1-80 file "mpcreportiz.txt" are similar to positions of file "mpcreport.txt". 83-95 – errors of unit weight, . ... If this tag is " 1 0 " , this record contains results of measurements of an image of object (approximation by "PSF"),  . ... 57-66 – error in X (pixels), for first star in a multicentric image, for subsequent it is error in (distance between first star in the image and this), . ...

JSC History . ... History-NASA Centers . ... JSC History Office contact information . The NASA Johnson Space Center History Office supports the Center and the Agency through a number of efforts. ... The JSC History Office and the University of Houston Center for Public History joined together to publish the Fall 2008 issue of Houston History magazine , dedicated to NASA JSC history between the years 1958 and 1978. ... Contact information for the NASA Johnson Space Center History Office: . ...

... Comments, Opinions Publications Dnepr Program . ... During 1992-2003 timeframe, a team of Russian and Ukrainian companies together with the Russian Ministry of Defense (MoD) were involved in developing a commercial space launch system based on the technology of the SS-18 ICBMs being withdrawn from service. ... ISC Kosmotras was assigned the role of a team leader to build and commercially operate this SS-18 ICBM based space launch system and the entire program was given the name Dnepr . ... Dnepr LV ...