... 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...

Новости науки . ... Отмечать NEW , ! ... Experimental searches for tHq gunn, 13.11.2014 10:18 . Search for new phenomena in events with three or more charged leptons in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector gunn, 12.11.2014 09:28 . ... SUSY searches at CMS gunn, 10.11.2014 10:12 . ... Search for exotics at $BABAR gunn, 04.11.2014 10:22 . ... Searches for Exotic Phenomena at ATLAS and CMS gunn, 04.11.2014 10:00 . 3rd generation SUSY searches at CMS gunn, 04.11.2014 09:55 . ...

... In August Russian scientists will send radio message to one of the extraterrestrial planets. ... Additional information about SETI METI . SETI Institute - http://www.seti-inst.edu/ - Search for new life forms in space.. ... HUNT FOR LIGHT FLASHES FROM EXTRATERRESTRIAL INTELLIGENCE" . ... Information for sure! ... SETI at home http://setiathome.ssl.berkeley.edu/ SETI@home is a scientific experiment that uses Internet-connected computers in the Search for Extraterrestrial Intelligence (SETI). ...

... В теме В разделе По форуму . ... Телескопостроение, оптика (Модераторы: I.A.R. , Ivan7enych ) ? Meade - #1209 Zero Image-Shift Microfocuser . предыдущая тема следующая тема . ... 0 Пользователей и 1 Гость просматривают эту тему. ... Ответ #20 : 07.09.2006 [20:21:11] ? ... Цитата: morzE от 07.09.2006 [18:02:42] http://www.store.shoestringastronomy.com/products_fc.htm . ... Тема то интересная, надо с ребятами связаться. ...

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Nowadays at the Department the experimental and theoretical investigations, including astronomical and ionospheric observations, active experiments with space vehicles are taking place. ... Solar Corona physics and erruptive phenomenae. ... Stellar astronomy. ... The Department has organized and put into practice more then 50 expeditions for observation of Solar ecllipces, aurorae polaris, comets, meteor streams, controlled space experiments, and also for investigations of geophysical characteristics. ...

... Modern aspects of statistical physics and its applications. The seminar welcomes survey talks by senior researchers for the student audience and, more importantly, talks by students of undergraduate and graduate level on their research in progress. ... Olga STETIUKHINA, MSU Math. ... Anna BODROVA, MSU Physics Dept : Size distribution of particles in the rings of Saturn . ... Misha TAMM, MSU Physics Dept : A queue model (continued) . ... Misha TAMM, MSU Physics Dept : A queue model . ...

The lost world: Pluto and Haron. Pluto . ... Mass . ... The period of rotation . ... Pluto is the ninth from the Sun big planet of the solar system. ... The careful processing of the snapshots with the images of the star sky parts, where the new planet was thought to be found was not successful at that time (later on when Pluto had been discovered the snapshots of 1991 were processed again and there were the four very weak and invisible earlier imeges of the planet seen). ...

... 19-Jan-2013 12:50 . 11K . ... 5.8K . ... 21K . ... 13K . ... 17K . ...

... 1998-03-02 15:03 . 12K . ... 1999-06-05 23:07 . ... igor.jpg . 2003-05-19 17:15 . ... igor_small.jpg . ... igor_yang.jpg . ... 10K . ... 4.6K . ...

. [ Back to Products ] Imaging GRIN Rod Lens . Imaging GRIN Rod Lens Specifications . NA = 0.6 . Type . Diameter, mm . Quarter- Pitch Length . (P/4), * mm . HAG 040 . 0.4 . 1.0 . HAG 060 . 0.6 . 1.5 . HAG 080 . 0.8 . 2.0 . HAG 100 . 1.0 . 2.0 . HAG 150 . 1.5 . 3.0 . *Optional are lenses with achromatic length ( P/4 + d ) . [ Back to Products ]

Personal Pages of Astronomers . ... home | ... Jarle Aasland (Comet Hale-Bopp: Norwegian Images) . ... Howard C. Anderson (Astrophotography Images and Information) . ... Patrick J. Anway (Lookum Observatory) . ... Peter Armstrong (ScanCam Home Page) . ... Bill Arnett's Astronomy Page . ... Astro Nights home page ( Australia ) . ... Alex Michael Bonnici (Space Exploration) . ... Michael Boschat . ... Brendan's Astronomy Page ( Republic of Ireland ) . ... Steve's Astronomy and Astrophotography page . ...

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. ...

... 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. ...