The Amateur Astronomers Association of Princeton invites its members to learn astro imaging! ... Well, here's your chance to kindle the motivation with like-minded AAAP members. ... Or you just want to learn more about astrophotography but you didn’t know where to turn. ... AAAP member and astrophotographer Brian Van Liew is preparing to host a AAAP SIG ( Special Interest Group ) covering digital astrophotography. ... Types of imaging equipment . ... All images on this page created by Brian Van Liew. ...

... Field of research: Extragalactic astronomy. ... NASA Astrophysics Data System (ADS) Abstract Service . ... CADC Home Page . ... CCD Images of Galaxies . ... RUSSIAN LINKS . ... UA Astronomy Personal Home Page - Bill Keel . ... The Shape of the Rotation Curves of Edge-on Galaxies, by A.V.Zasov and A.V.Khoperskov, 2003. ... A Thickness of Stellar Discs, by A.V.Zasov, and D.V.Bizyaev, 2003 . Minimum Velocity Dispersion in Stable Stellar Disks, by A.V.Khoperskov, A.V.Zasov, and N.V.Tyurina, 2003 . ...

... Reconstruction of peculiar velocities of galaxies from large-scale redshift catalogues provides an exemplary application of optimal transport. ... U Frisch, S. Matarrese, R. Mohayaee, A. Sobolevsky, A reconstruction of the initial conditions of the Universe by optimal mass transportation , Nature, 417 (2002) 260-262 ( arXiv:astro-ph/0109483 ) . ... R. Mohayaee, A. Sobolevskii, The Monge Amp re Kantorovich approach to reconstruction in cosmology , Physica D (2008) accepted ( arXiv:0712.2561 ) . ...

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.

Main Astronomical Observatory of NASU (GAO NASU, Kyiv, Ukraine) . ... Main Astronomical Observatory of RAS (GAO RAS, Pulkovo, Russia) . ... Institute of Astronomy of RAS (INASAN, Moscow, Russia) . Institute of Space Investigations of RAS (ISI, Moscow, Russia) . ... Institute of Applied Astronomy of RAS (IAA, St.Petersburg, Russia) . ... National Optical Astronomical Observatories (NOAO, USA) . ... Space Telescope Science Institute (STScT, USA) . ... Strasburg Centre of Astronomical Data . ...

... 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. ...

... right ascension (J2000) . declination (J2000) . 5-GHz total flux density . ... Correlated flux density (Jy) vs. projected baseline length plot . ... No image is produced. A comment is given in the VLBApls paper. Other VLBI references . 2.3 and/or 8.4 GHz: VLBI images are available in the USNO Radio Reference Frame Image Database (RRFID, Fey & Charlot 2000, ApJS 128, 17) . VLBApls reference: Fomalont et al. 2000), ApJS, 131, 95-183 . VLBApls home page . ...

. (Data examples) . Russian . 4/03/1997 21:00 GMT . Image with coastal line and coordinate grid overlayed . (image size 784x521) . 6/03/1997 21:00 GMT . Image with coastal line and coordinate grid overlayed . (image size 512x512) . Moon disc captured by GOMS . (image size 1024x1024) . For information send a mail to: admin@planeta.rssi.ru . All rights reserved. © 1997-2002 SMIS IKI RAN and SRC PLANETA, Moscow, Russia.

Альтернативный форум . Scientific.ru Все форумы . ... Chernov V.M. Non-Archimedian Normalized Fields and Аlgorithms for Two-Dimensional Discrete Fourier Transform. Pattern Reсogn. and Image Analysis.- ... Чернов В. М. О точности вычисления дискретной круговой свертки в нормированных полях. ... Чернов В.М. О дискретном "метапреобразовании" в кольце аделей глобального поля. ... Chernov V.M.,Shabashev A.V. Non-Archimedian normalized fields in texture analysis tasks. ... V.M.Chernov. ...

. - back to the Virtual Space Museum index. - how to view VRML's, etc... A cool clickable scheme of Mir base module . Mir base module . From Shuttle to Mir . Mir fly-around (VRML) . Mir fly-around (VRML), with Soyuz, Progress and Shuttle . Communication satellite Luch (Altair) . Core module in assembly building . Mir, front view . Right side of Mir . Bottom view . Kristall module . docking mechanism . Luch (Altair) communication satellite . "Space motorcycle" .

THE PHOTOMETRIC RESEARCHS OF THE MERCURY'S SURFACE BY MEANS OF DIGITAL MODELS. ... The surface brightness of Mercury was measured Danjon (1933, 1949, 1953) and Harris (1961) in phase angle 3o-123o. The analysis of the various data of the integral photometric gives the results of determination of the main photometric constants for Mercury. ... THE PHOTOMETRIC RESEARCHS OF THE MERCURY'S SURFACE: S.G. Pugacheva The surface brightness of the Mercurian images was established on the geologic map Mercury. ...

Orbit . ... The orbit of the RadioAstron provides four types of study: . rough images of radio sources with ultra-high angular resolution, using all baselines up to the radius of the apogee, that is much larger than Earth diameter; . ... high quality imaging of radio sources, with moderate resolution, by observing either with small projected base lines Earth-spacecraft, i.e. close to the orbital plane, or near the perigee. ... high accuracy orbit determination. ... Space Radio Telescope . ...