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. ...
... 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...
... Authors: Spyros Basilakos (Imperial College London) . ... Title: Populating a cluster of galaxies - I. Results at z=0 . ... Title: The Merger Rate to Redshift One from Kinematic Pairs: Caltech Faint Galaxy Redshift Survey XI . ... Title: Multi-wavelength observations of an evolved galaxy group: An endpoint of galaxy merging? ... 23 matches for the search pattern galaxy merging . The URL for this page is: http://xxx.itep.ru/find/astro-ph/1/galaxy+merging/0/1/0/past,all/0/0 www-admin@xxx.lanl.gov ...
... 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. ...
... ISC Kosmotras . ... Comments, Opinions Publications Dnepr Program . Dnepr launch record 17 August 2011. ... The success of PICARD launch re enforces our high level of appreciation of the quality of the DNEPR launcher and of the professionalism and efficiency of ISC Kosmotras. ... The distinguishing feature of the THEOS launch by a converted SS-18 ICBM (Dnepr LV) is that it was the first ISC Kosmotras mission from the Yasny launch site that headed southward to its Sun-synchronous target orbit. ...
... Obs., vol.36, December, 2000, p.64-68. ... Solar Physics, 2000, 195, 401-420. ... A.M. Uralov, H. Nakajima, V.G. Zandanov, and V.V. Grechnev Current sheet associated radio sources and development of the magnetosphere of active region revealed from 17 GHz (NoRH) and Yohkoh/SXT data // Sol.Physics, 2000, 197(2), 275-312. ... Russian-Chinese Workshop 'Solar-Terrestrial physics and its applications (Space weather), Abstracts, 14-19 December 2000, Irkutsk, 2000, p.5 . ... V.G. Ledenev. ... 2000. ...
... astro-ph . ... Whitespace-separated words are treated as AND ed. Show 10 50 100 articles per page in Full Compact mode . ... Quasar Variability in the Framework of Poissonian Models . ... It is shown that in this very general framework the well established anti-correlation between variability amplitude and wavelength can only be understood as an effect of an underlying spectral component which remains stable on long time-scales, and is redder than the variable component. ...
... Status of spherical tokamak Globus-M, Proc. International Congress on Plasma Physics and 25th European Physics Society Conf. ... Globus-M experiment at the final stage of preparation, Proc. 17th IAEA Fusion Energy Conf. ... Globus-M spherical tokamak, Techn. ... First plasma experiments on spherical tokamak Globus-M, Proc. of EPS-27 Conf. on Contr. ... Plasma Formation and First OH Experiments in Globus-M Tokamak, Proc. 18 IAEA conf on Fusion Energy, 4-10 October, 2000, Sorrento, Italy, EXP1/03 . ...
... Research Innovation . ... University history . ... V.љN. Karazin . ... Karazin university . ... up until December 31, 2012 . Bilateral competition of fundamental research . Fundamental Research State Foundation (FRSF) and Japan Society for the Promotion of Science (JSPS) announce a bilateral competition of fundamental research. The competition coverts the following areas of research: . ... July, 2016 . ... up until April 2016 . ... April 18-23, 2016 . ... Phone: +380 (57) 7051248 . ...
This Directory contains mean hourly, mean daily and mean monthly values of cosmic ray intensity recorded by World Network NM stations to the end of 2011. ... CD is created in WDC for STP, Moscow and IZMIRAN. ... This directiry contains catalogue Corrected for pressure and verificated data in WDC for STP, Moscow . This directiry contains catalogue Corrected only for pressure but Original data in WDC for STP, Moscow . ... 20 May - 22 July 1972, M., 1975 6. 27 March - 22 July 1972, M., 1975 7. ...
... 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. ...
Клуб Скептиков] [Конференция] . ... Miller : re: Скорость света и устои. ... Valery Скорость света и устои. ... 07-Авг (13:02) Valery re: Скорость света и устои. 07-Авг (13:12) Mauhuur re: Скорость света и устои. ... 07-Авг (15:00) . 2-я градская больница re: Скорость света и устои. ... 08-Авг (09:18) 2-я градская больница re: Скорость света и устои. ... Mauhuur re: Скорость света и устои. ... Mauhuur re: О толпах психов-физиков из Беркли, Торонто и Кельна. ...
... 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 .. ...
Statistics of sunspot activity . The sunspot indices . My observations . NGDC's observations . The solar regions . ... 2015 . ... December . ... December, 2015 . Visual indices of solar activity by author's observations . ... Average . ...
http://lfvn.astronomer.ru/images/AiT.png http://www.astronomer.ru http://www.astronomer.ru/publications.php?act=view id=188 Доклады проекта ISON Tue, 01 Mar 2016 00:00:00 +0300 Доклад на 53-й сессии Научно-технического подкомитета Комитета ООН по использованию космического пространства в мирных целях - Вена, Австрия, 15-26 февраля 2016 г. http://www.astronomer.ru/publications.php?act=view id=187 Новости проекта ...
... These Facts and Questions pages mainly tell you how to use the Aberrator-interface and also explain the nature of the aberrations. ... Airy disc: the brightest spot of light when you look at a star in focus. This disc can contain a maximum of 84% of all the light that arrives from a star (perfect refractor telescope). MCT : Maksutov-Cassegrain telescope. A closed-tube mirror-telescope with a secondary obstruction. Less common than the SCT, this telescope uses a corrector (real glass). ...
1975 LUMAM v.18 7/11/2002 5:49 PM Page 1 LUMAM System Diagram DIGITAL CAMERA C-MOUNT CCD CAMERA 35MM CAMERA EKW-6.3LU EKW-10LU EKW-15LU EM-15LU CT4 EYEPIECES VA-T1LU EXCITATION FILTER EMISSION FILTER VA-V20LU VA-F20LU HB-45LU HT-45LU FILTER CUBE INSERTS WITH DICHROIC BEAM SPLITTER FILTER SLIDERS FOR REFLECTED LIGHT MERCURY ILLUMINATOR FOR HOUSING & ASSEMBLY LUMAM INFINITY-CORRECTED PLAN FLUORITE AND PLAN ACHROMAT OBJECTIVE SERIES C-BFLU MERCURY POWER SUPPLY C-PHDLU CONTRAST FILTERS FOR TRANSMITTED LIGHT