RTT150 . ... The primary mirror 1 reflects light to the secondary mirror 2 which sends the converging beam of light to the system of four flat mirrors 3, 4, 5 and 6. That allows the beam of light to leave the telescope strictly along its polar axis and be collected in Coude focus. ... That's why at any tube position (for any rotation along the declination axis) beam of light parallel to the principal axis after reflection on mirror 3 follows the direction of declination axis. ...

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... The Stellar Oscillations Network Group (SONG) seeks to study p-mode (acoustic) oscillations in solar type stars. ... The observation of many solar-like stars will also help us to understand how solar p-modes are excited and damped. ... Naively, the two or three orders of magnitude improvement over this provided by the normal 1 second time resolution of the KPNO CCD cameras should be quite sufficient for such a detection. ... Figure: Non-cadenced data-a free-running observing sequence. ...

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To appear in "Fourth Workshop on Robotic Autonomous Observatories (2015)"RevMexAA(SC) MASSIVE PHOTOMETRY OF LOW-ALTITUDE ARTIFICIAL SATELLITES ON MINI-MEGATORTORA S. Karpov, 1, 3 E. Katkova,2 G. Beskin, 1, 3 A. Biryukov3,4 S. Bondar,2 E. Davydov5 E. Ivanov,2 A. Perkov,2 V. Sasyuk3 RESUMEN Favor de prop orcionar un resumen en espanol. ... The nine-channel Mini-MegaTORTORA (MMT-9) optical widefield monitoring system with high temporal resolution system is in operation since June 2014. ...

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Measurement of Sky Brightness at the Iranian National Observatory Davoud Afshari1 and Sadollah Nasiri1,2 1Physics Department, Zanjan University, Zanjan 45195-313, Iran; Institute for Advanced studies in Basic Science (IASBS), Zanjan 45195-1159, Iran; Measurement of light pollution 2 Introduction Among 34 candidate sites at the central part of the country, 5 sites namely Garkesh (in Kashan ), Kolahbarfi(in Kashan ), Deynava (in ... One of these is light pollution. ...

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... 8, ``Celestial Mechanics'', 2002 Regularity and chaos for planetary orbits in binaries D. Benest Observatoire de Nice, Nice, France 1. ... Previous papers showed that stable planetary orbits, around either the lightest or the heaviest component of several nearby binary systems, exist up to distances from their primary of the order of more than half the binary's periastron sep­ aration. ... Chaos: bounded or sticky? It is now well­known that planetary dynamics may include some proportion of chaos. ...

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... 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...

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... Sun's commitment to open systems and quality products means that I can have confidence in running my entire company on their architecture, from technical applications that empower our engineers and scientists to enterprise-wide solutions that keep the business running!' ... Open systems open new possibilities. ... And because Sun systems are already the popular choice of the petroleum industry, software vendors typically develop new applications for our platform first. ...

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COPRATES CHASMA NORTH WALL INTERIOR LAYERED DEPOSIT: LAYER MEASUREMENTS AND COMPARISON WITH JUVENTAE CHASMA ILDS USING MARS EXPRESS HIGH RESOLUTION STEREO CAMERA (HRSC) DERIVED TOPOGRAPHY Michael, G.1, E. Hauber1, K. Gwinner1, R. Stesky2 ... Planets, Freie Universitaet, Berlin, Germany 5ESTEC, ESA, Noordwijk, The Netherlands Introduction: The interior layered deposit ( ILD ) in the north wall of Coprates ... The lesser section of the ILD is confined by a ridge of the chasma wall. ...

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... 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. 25-29, 2014 . ... SUBJECT: 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. 25-29, 2014 . ... which will be held in Beijing, P.R. China, from August 25-29, 2014, hosted by Chinese Academy of Sciences . ... China), . ... 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. ...

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• MAO NASU :: Topic: e-EPS | Facts and Info from the European Physical Society |
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... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

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... From the uvby photometry and proper motions for about 5500 nearby F stars we have found the following: (i) F stars , taken in narrow ranges of metallicity , show at [fe/H] 0 rather distinct cut-off in their distribution along the Main Sequence (MS) at the blue side, which is suggested to be an indication for the MS turn-off in stellar groups of fixed metallicity ; (ii) the corresponding turn-off age from theoretical isohrones strongly correlates with the ...

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• Contents Frame

Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... Outreach . Projects . ... Science . ... Participating in Project ASTRO, a national program to assist teachers in grades 4 through 12 in teaching astronomy . ... June, 1990: National Optical Astronomy Observatory, Friday Science Lunch Talks: "Engineering Big Science Projects" . ... May 4, 2007: National Optical Astronomy Observatory, Friday Science Lunch Talks: "The Ohio State University KELT Telescope -- Early Results" . ...

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... SUPER RATIO . ... On this page I will present the most important (on my opinion) idea on Intellegence Life in the Universe . ... On the problem of the Super Ratio in astrophysics" . ... As a matter of fact, this is the main problem of the modern natural science. ... Here I shall try to speak about the most important problem of the modern natural science, the problem which is undoubtedly, of more importance than discovery of Blacks Holes, creation of Grand Unification Theory or Artificial...

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. Main page . Photos . Amsterdam . Amsterdam . Amsterdam . Amsterdam . Amsterdam . Amsterdam . Amsterdam . Amsterdam . Amsterdam . Amsterdam . Amsterdam . Amsterdam . The red lights district . The red lights district . The red lights district . The red lights district . Leiden . Leiden . Leiden . Leiden . Leiden . Leiden . Leiden . Leiden . Leiden . Previous page . 1 2 3 4 5 . Next page . Not paginated version of this web-page . Копосов Сергей , 2003-2007 . Koposov Sergey , 2007

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... Набор светофильтров #1 (#12, #23A, # 58 , # 80A) . 12 Желтый (пропускание 74%) . ... 12 Желтый (пропускание 74%): дает сильный контраст синих образований на Юпитере и Сатурне, одновременно улучшая красные и оранжевые области. ... 23A Светло-красный (пропускание 25%): на телескопах с апертурой от 6" этот фильтр выполняет приблизительно те же функции, что и #21 фильтр, но дает больший контраст сине-зеленых регионов. ... 80A Синий (пропускание 30%): популярный фильтр для изучения Юпитера и Сатурна. ...

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• PENTAR: Набор светофильтров #2 (#11, #25A, # 47 , # 82A)
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Электронная библиотека астронома-любителя. ... архив RSN . ... Ru.Space.News: . Октябрь 1998 . ... Дата: 09 октября 1998 (1998-10-09) От: Alexander Bondugin Тема: MGS Aerobraking Update - October 3, 1998 Привет всем! ... October 8, 1998 CONTACT: Don Savage NASA Headquarters, Washington, DC (Phone: 202-358-1547) Bill Steigerwald Goddard Space Flight Center, Greenbelt, MD (Phone: 301-286-5017) Ray Villard Space Telescope Science Institute, Baltimore, MD (Phone: 410-338-4514) PRESS RELEASE NO.: ...

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. The April 9, 2001 Event . Halo CME and complicated soft X-ray corona . Modified 195 movie . EUV dimmings: fixed difference movie . Running difference movie . Comparison with soft X-ray and EUV structures . Comparison with H-alpha . Light curves in some 42x42 arcsec areas . To main page

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• ON THE STRUCTURE OF 3.11.94 ECLIPSE CORONA

... Тройня в 55-летнем возрасте . ... Ливерпульская версия Памелы Андерсон . ... 25-летняя индианка размером с малыша (400) . ... Самый богатый менеджер России' / Юрий Соловьев [83] . ... Юлия Волкова 08.04.2016 10:04:10] Юлия Волкова рассказала о своей борьбе с раком Подробнее .. Сия 08.04.2016 08:04:09] Новый сингл Sia на пике популярности Подробнее .. ... Меган Трейнор 07.04.2016 07:04:10] Меган Трейнор выступила на iHeart Radio Awards с хитом NO Подробнее .. ...

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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. ...

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• Times of minima(maxima) calculator