... 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...

... R-band images obtained at 0.8 arcsec seeing conditions have allowed us to separate foreground star from point-like extragalactic source and estimate their brightness separately. ... To study the nature and properties of the source, we observed it under high spatial resolution. ... CONCLUSION RTT150 optical observations with sub-arcsecond seeing and low resolution spectra confirm the hypothesis of superposition of a radio source onto a `normal' F/G galactic star proposed by [1]. ...

... Grants, Programs, Contracts . ... Grant of the Russian Federal Property Fund: . 12-02-00537 'Specific features of formation of nanostructure at plastic deformation of amorphous alloys' (A.S. Aronin) . ... 09-02-00529-'Role of shear bands in formation nanocrystal structures at deformation of amorphous alloys' (A.S. Aronin) . ... Nanocrystal structure in alloys on the base of transitional metals: formation, atomic and magnetic structure, magnetic properties (A.S.Aronin) . ... LSR ISSP RAS . ...

... Space flight . ... Simulators . ... Space camp . Space Hotel . ... Virtual reality-based stand for ISS crew training is used for cosmonauts pre-training preparation at different stages of training for the space flight. ... At present cosmonauts and astronauts can work both with the SM and FGB images independently and having them in mated state. ... Info: Industry news On-line Data Company ATLAS news Events We in press Contact . Copyright 2000-2016 ATLAS Aerospace . ...

The revision of the MASS/DIMM star catalogue N. Shatsky, V. Kornilov March 16, 2008 Abstract The compilation of the (updated) version of the MASS (MASS/DIMM) device target catalogue is described. ... Then the list was cleaned according to following criteria: I. Remove stars too faint for a MASS device. ... Here the color equation of the Sternb erg device was taken: M AS S mag = V mag + 0.45 (B - V ); stars with M AS S mag > 3.2 were removed. ... This was made based on the GCVS4.2 catalogue data. ...

... ON THE ROLE OF LARGE-SCALE PLASMA IRREGULARITIES AT THE FINAL STAGE OF ANOMALOUS ABSOPTION DEVELOPING UNDER HF HEATING OF THE IONOSPHERE . ... Fig. ... With the aid of numerical statistical modeling based on multiple ray tracing it is shown that in presence of large-scale irregularities the reflected signal amplitude mean value is increased significantly. ... Dependence of the mean amplitude of the reflected from the ionosphere signal on the large-scale (10-50 km) electron density irregularity level...

... Общероссийская неделя "Астрономия на тротуаре" - 15-17 апреля . ... Новости астрономии и космонавтики (Модераторы: Karen , recarrion , LeMay ) ? А кто это так бумкнул?" (с) . ... 20.06.2006 [09:40:21] ? http://lenta.ru/news/2006/06/19/supersupernovae/ . ... No. c546 (15 June 2006) . VARIABLE OBJECT IN BOOTES . ... The new variable has . ... magnitudes for the new variable: 2006 Jan. 29 (and two earlier images, . ... Selected F775W magnitudes for the new variable: 2006 Jan. ...

Estimations of dome seeng by results of optics quality tests with Shack-Hartman wavefront sensor. ... Measurements on AZT-22 Telescope diameter: 1000 mm F/7.7 Effective subaperture: 37.5 mm Exposure time: 100 ms Time between exposures: 5 s Individual image with tilts in X direction AZT-22 tower The spatial spectrum evolution (top) and wind direction in measurements processes . AZT-22. ... ZTSH dome Zeiss-1000 dome The spatial spectrum evolution (up) end wind direction through time. ...

Электронная библиотека астронома-любителя. ... архив RSN . ... Апрель 1998 . ... Дата: 10 апреля 1998 (1998-04-10) От: Alexander Bondugin Тема: Galileo Update - April 9, 1998 Привет всем! ... Дата: 10 апреля 1998 (1998-04-10) От: Alexander Bondugin Тема: Mars Global Surveyor Update - April 9, 1998 Привет всем! ... The feature known as the "Face on Mars" in the Cydonia region was imaged quite successfully on April 5th and its image was released in raw form and in an enhanced form on April 6th. ...

... 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 ? ...

CLEAN Map ps -- is a plot of the naturally weighted CLEAN image. The lowest contour levels (2 steps) on image is plotted at "clev" levels [Jy/beam], the peak brightness -- "max" values [Jy/beam]. The dashed contours indicate negative flux. The beam is shown in the bottom left corner of the images. The plot is in postscript format.

... As then we removed from the Earth, we dived into a sky deeper and deeper. ... We saw immense red-hot spheres, liked suns, in illuminator of our spaceship. ... We saw our Earth, Mars, Mercury, and planets-giants, such as Jupiter, Saturn, Uranus and other. ... Also we saw a comet. ... The planet Upsilon was on our way. ... If we could speak the language of these two peoples, we could explain them what the war did on our home planet "the Earth", how many people were killed because of war conflicts. ...

... Under certain conditions, like those in the nucleus of a QSO, all atoms can be made to emit light at particular wavelengths. ... If that source is approaching the observer, the wave is squashed up onto itself making the wavelength shorter. ... This is redshift. ... You can see how the section of the QSO spectrum which we observe changes with redshift. ... We then see how far we had to slide the observed spectrum along the scale to make it match and that is the objects redshift. ... The 2QZ team . ...

... 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. ...

Общая Астрономическая Конференция > Товары для астрономов > Барахолка . Продается камера StarShoot Solar System Color Image II . ... цветная камера, по сути аналог QHY5, но без порта для гида . ... Лунные феномены (редкие, необычные явления) Жизнь астрономов-любителей Анонсы астрономических мероприятий Астрономические клубы Наш "Старлаб" . ... Orion StarShoot Solar System Color Imaging Camera III . ... Encyclopedia of the Solar System . ... Solar system simulator . ...

... 18-Jan-2010 17:22 . ... Apache/2.2.3 (CentOS) Server at www.wdcb.ru Port 80 ...

... The main field of my investigations is stellar spectrophotometry. As a result of scientific activity of our group spectrophotometric catalog was created including energy distribution data on 900 stars in the range 3200-7600AA and 250 stars in the range 6000-10800AA (Voloshina et al., Spectrophotometry of Bright Stars, ed. I.N.Glushneva, 1982, Moscow, Nauka, in Russian). ...

... Printed in the U.S.A. LENTICULAR GALAXIES AT THE OUTSKIRTS OF THE LEO II GROUP: NGC 3599 AND NGC 3626 O. K. Sil'chenko1 1 3 ,2 ,4 , A. V. Moiseev3 , and A. P. Shulga1 Sternberg Astronomical Institute, Moscow 119992, Russia; olga@sai ... moisav@gmail.com Received 2010 January 19; accepted 2010 August 14; published 2010 October 15 ABSTRACT We have studied unbarred S0 galaxies , NGC 3599 and NGC ... Figure 3 shows the LOS velocity fields for the stars and for the ionized gas in NGC...

The project of the informational system creation on the problem of evolution of radio galaxies, as a part of the "Big Trio" project aimed on studing of distant radio galaxies, is designed. This system allows a user to operate with simulated curves of spectral energy distributions (SED) to estimate ages and redshifts by photometry data. Authors use SEDs of several models for different types of galaxies. ... The HTTP and e-mail access is organized to this system. ...