Subject, Object and Problems of Astrophysics. Practical and Theoretical Astrophysics. ... Visual Telescope; Problems Which Are Solved with the Its Help. ... Resolution of Telescopes. ... Effectiveness of Telescope in Respect of Resolution. ... Optical Power of Telescopes for Star-like and Extensive Objects. Boundary Magnitude. Reasons of Light Dissipation in Telescopes. ... Spectral Instruments in Astrophysics. ... Basic Photometrical Ideas, Magnitudes and Their Measurement. ...

... 14.1 Foreground color: the 'color' property . ... 14.2.1 Background properties: 'background-color' , 'background-image' , 'background-repeat' , 'background-attachment' , 'background-position' , and 'background' . ... Background properties are not inherited, but the parent box's background will shine through by default because of the initial 'transparent' value on 'background-color' . ... BODY { background: white url("pendant.gif"); background-repeat: repeat-y; background-position: center; } . ...

This page is devoted to information on Supernova 1999gi in NGC 3184 . ... Information on the original web pages for many of these images can be found on the Supernova links web page. ... NGC 3184 is a fairly close Mag 10.3 galaxy, only about half as distant as the Virgo cluster. ... Seiichi Yoshida has a 1999gi page . Odd Trondal's 1999gi page . ... CfA image . ... 14.5 . ... Jean Marie Llapasset image . ... vsnet-alert 3805 ] SN 1999gi in NGC 3184 . vsnet-chat 2438 ] Host galaxy of SN1999gi . ...

To main of Laboratory . The research work and design of optical and optical-electronic devices are carries out by laboratory staff: . ... Lens: . ... In the layout 1 prism systems perform functions of dispersive element, corrector of aberrations, optical reducer. ... Spectral range 200 - 400 nm; . ... Back Forward . ... The main corrector's function are compensation of field aberrations of the main spherical mirror of a telescope (diameter of 600 mm, f'=1200 mm) and increase aperture ratio. ...

... Bad Astronomy . Misconceptions . ... Bad Astronomy : The sky is blue because it reflects light from the oceans. Good astronomy : The sky is blue because it is scattering blue light from the sun. ... So everywhere you look you see blue photons, except directly from the Sun, where you'll see all colors. ... The sky does not look blue near the horizon because more yellow photons (and even orange ones right at sunset) are coming from that direction as they get scattered away from the Sun. ...

... In electron-positron colliders, effect of the lattice modification by opposing bunch focusing on the equilibrium radiation emittance is important at high values of the space charge parameter, so one should correctly evaluate this dynamic radiation emittance of the weak beam, which may differ a lot from the nominal emittance, already in the linear beam-beam force model. ... The linearized beam-beam force is equivalent to focusing insertion in linear lattice of the collider. ...

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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. ...

... 1.Magnetic and magneto-elastic properties of heavy rare earth metals. ... High magnetic fields of 100 kOe and more were necessary to saturate the magnetization of havy rare earth metals. ... It was shown that the effective exchange field theory is sufficient for the description of the magnetic order in heavy rare earth metals and their compounds. ... The duality of the state of the magnetic carriers in the traditional 3d-magnetic materials. ... LHPP ISSP RAS © 2004 All rights reserved ...

... Оборудование (Модераторы: LifeIsGood , Hornet ) > . Telescope Color CCTV Camera W/Eyepiece Mount . ... Оборудование и телескопы . ... Благодарностей: 0 . ... 06 Сентябрь 2008, 21:59:34 ? This Siemens CCTV Color Camera with eyepiece coupler/mount is an ideal configuration for Telescope imaging. ... The eyepiece adapter has the same outside diameter as a standard 32mm/1.25 inch eyepiece which fits inside any standard telescope?s eyepiece mount. ... Ответ #1 : 06 Сентябрь 2008, 23:47:57 ? ...

Authors: V.A. Marsakov , Yu.G. Shevelev , . ... Systematic effects of random errors in distances and reddening, metallicity and luminosity indices of F stars from catalogues with photometry are investigated. ... Исследуется систематические эффекты случайных ошибок в определениях расстояний, покраснений, индексов металличности в светимости F -звезд из каталогов с -фотометрией. ...

Astronomy Discussion Forums . Forums: . ... Discussion Forums . ... Experiment With Font Color . Forum List | ... Post Message | ... Ideas annoy people all the time. ... If you won't answer the post in question, I will not be annoyed. ... Login to Post . ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

Here you will find references to all kinds of SPICE System documentation . SPICE System Overview . These page briefly describe SPICE system of ancillary and navigation data, introduce reader to its concept, tell about systems history and current status. ... These pages contain information essential for new users of SPICE system , help them to understand the way how systems data and toolkit are organized and may be used to get navigation and ancillary data and perform necessary calculations . ...

pro cormass2,list ; ;procedure to pre-process CorMASS 'differenced' images to correct for reset ;voltage decay effects seen in NICMOS3 images. ... Sep '00 ; ; on_error,1 nl=numlines(list) ;find number of files print,'nl: ',nl files=strarr(nl) openr,lun,list,/get_lun readf,lun,files free_lun,lun for i=0,nl-1 do begin oldim=float(readfits(files[i],hdr)) d=size(oldim,/N_DIMENSIONS) if d GT 0 then begin magicsub2,oldim,procim sxaddhist,'Reset Decay Corrected w/ MagSub2',hdr,/PDU name=str_sep(files[i],'.' ...

... 1997: . The character of internal motions of gas in 7200 HI clouds in the outer region of our Galaxy was investigated according to the data of the HI survey with the RATAN-600. It turned out that the effect of turbulence, as the main mechanism of gas motion is not essential, while it was discovered that 36% of the clouds are rotating. ... Periodic variations of optical emission of the gamma, X-ray and radio pulsar GEMINGA were for the first time discovered from the observations with the BTA. ...

The diffraction image FWHM at 2.2 microns on the Gemini 8 m telescope is about 0.07". Consequently, a spectrograph with a 0.10" slit is essentially diffraction limited in the K band. ... Slit diffraction causes divergence in the spectral direction of rays through the slit in excess of the geometrical focal ratio; it can be thought of as focal ratio degradation speeding the beam in the spectral direction. ... A perfect image would have no phase coherence across the slit. ...

JSC History . ... NASA History . ... White Sands Space Harbor . ... Historic American Engineering Record (HAER) Level II Documentation . From 1976 to 2011, NASA has operated and managed the White Sands Space Harbor (WSSH) for astronaut training operations and as an alternate landing facility for the Space Shuttle Program (SSP). ... White Sands Space Harbor HAER Level II documentation (complete - 20.6 MB) . White Sands Space Harbor HAER Level II documentation (individul sections) . ...

ON THE IMPACT OF THE GALACTIC ABERRATION ON VLBI-DERIVED PRECESSION MODEL Z.M. MALKIN Pulkovo Observatory Pulkovskoe Ch. ... Corrections to adopted precession rate are usually computed from the linear trends in long-term time series of celestial pole offset (CPO), which are the differences between the measured and the theoretical coordinates of the celestial pole. ... CONCLUSIONS We have estimated the impact of GA on parameters of precession-nutation model derived from VLBI observations. ...

... Home Astro-Imaging g3-efox8632-m82-e-600-c-35-x1-color-001-ut080815_ep1 . ... Lecture Series 2014-2015 . ... AAA Fall Astronomy Class: Astronomy Basics тАУ October-November 2015 . ... Clear Sky Chart . This Month's Sky . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

The 25th International Symposium on Space Terahertz Technology , 27 ­ 30 April 2014, Moscow, Russia Superconducting Integrated Receiver with HEB -Mixer N.V. Kinev , L.V. Filippenko , R.V. Ozhegov , K.N. Gorshkov * * * .N. 't m and V.P. Koshelets * Kotel'nikov Institute of Radio ... Russia Email : nickolay@hitech.cplire.ru Moscow State Pedagogical University, Moscow, Russia Email : ozhegov@rplab.ru Detectors in THz ... Integrated Superconducting Receivers. ...