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. ...
... Home Observing Central Park ? ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... The AAA hosts solar observing in Central Park one Sunday afternoon€аeach month.€а WeтАЩre located right by Bethesda Terrace and Fountain , middle of Central Park, just north of 72nd street. ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by ....
Анализатор молока клевер 2 цена на сайте http://milk-filter.ru . opera mini бесплатный скачать . ... Административный центр региона . ... Винницкая область . ... Волынская область . ... Днепропетровская область . ... Донецкая область . ... Житомирская область . ... Закарпатская область . ... Запорожская область . ... Ивано-Франковская область . ... Киевская область . ... город Киев . ... Кировоградская область . ... Луганская область (б. Ворошиловградская) . ... Львовская область . ...
University Satellites and . Space Science Education . ... Anaglyph method of a visual perception of 3-D images consists of: - simultaneous presentation of the complement images of stereomate (left image of the red color, right image of the blue color); - next following visual perception of these images through the left red filter and through the right blue filter. ... A stereomate of the anaglyph images is projecting to the screen from display of digital photogrammetric equipment. ...
RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . ... SSRT - Receiving systems . The SSRT has two independent receiving systems for recording solar observational data, and several ancillary receivers for checking, setting up and adjusting the instrument. The base receiving systen is a multichannel filter receiver for a simultaneous recording in 180 channels with the 500 kHz band each, adjusted at steps of about 600 kHz. ... Channel's band . ...
Sp ecific features of differential motions in the DIMM V. Kornilov, B. Safonov May 28, 2010 1 Intro duction Differential image motion monitor DIMM widely used in studies of optical turbulence, is destined to measure the integrated effect of the Earth's atmosphere on the image quality. ... In the work of Martin, they are obtained by gradual spatial filtering 1 of the power spectrum of phase perturbations in the assumption of Kolmogorov's model of the optical turbulence (OT). ...
... 53, Moscow, 119991 Russia e mail: lisakov@asc.rssi.ru b Moscow Experimental Design Bureau MARS, Moscow, Russia e mail: office@mokb mars.ru c Lavochkin NPO (Science and Production Corporation), Khimki, Moscow oblast, Russia e mail: voinakov@laspace.ru; flen@laspace.ru Received December 16, 2013 Abstract--Errors in pointing and sustaining Spektr R are estimated based on the data of star sensors and an angular velocity vector meter, and the calculated values are compared with the observed val ues. ...
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Ссылки http://www.asc.rssi.ru/RadioAstron/publications/articles/cr_2014,52,365.pdf -- 593.6 Кб -- 07.10.2014 Похожие документы
... 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. ...
To see a Russian version of this page, click here . ... Graduated from Moscow State University (MSU), Faculty of Physics in 1976. Ph.D. degree - 1988, MSU. Main field of scientific activities: photometric investigations of various stars, close binary stellar systems and other astronomical objects, including research with use of fast photoelectric photometry with a high time resolution till 1 millisecond. ... New portable photometer . ... Send your mail to: tem@sai.msu.ru ...
THE 75th NAME-LIST OF VARIABLE STARS. ... The 75th Name-List consists of two tables. ... the literature, taken from positional catalogues, including USNO A1.0/A2.0 and GSC, or determined by the authors); the range of variability (sometimes the column Min gives, in parentheses, the amplitude of light variation; the symbol ( means that the star , in minimum light, becomes fainter, than the magnitude indicated); and the system of magnitudes used ( P are photographic ...
... Архив новостей . ... 2003 . ... О результатах расследования катастрофы "шаттла" Columbia доложат немедленно . Программисты сделали свое дело, теперь ракета Titan 4 может лететь . ... NASA построит аппарат для исследования Плутона . ... NASA: на орбите вокруг шаттла Columbia летал неизвестный объект . Конгрессмены США обвиняют в гибели "Колумбии" NASA . ... Экипаж МКС напоследок активно занимается научными экспериментами . ... NASA обнародовало запись последних переговоров с шаттлом Columbia . ...
... The antenna system . ... A military radar system, consisting of two identical radars, was transferred to the Institute of Solar-Terrestrial Physics (ISTP). ... The system features a two-channel transmit-receive antenna. ... By changing the phase difference in the channels, one is able to modify the shape of the total channels' beam in the angle-of-elevation plane. ... The total beam is controlled by introducing the phase signal into the excitation signal of one of the channels. ... Peak power.. ...
... Удаление легкой неравномерной засветки . Небольшая инструкция для удаления легкой неравномерной засветки на астрофотоснимках. ... Левый снимок - оригинальное изображение, правый - после обработки в PhotoShop . ... Фильтр Gaussion blur . ... К новому слою применить команду: Меню Image - Adjustments - Invert . ... После того как изображение было подкорректировано, можно изменить кривые, для того чтобы сделать звезды и другие объекты более яркими: Image - Adjustments - Curves . ...
NMW survey overview . Access image archive . ... The New Milky Way survey aims to detect bright (V<13.5) optical transients near the Galactic plane using an automated wide-field (8x6 deg.) system capable of surveying the whole Milky Way area visible from the observing site in one night. ... All images obtained during the transient search survey are available online (please use the image archive access form ). ... Images per field: . ... Images per night: . ... Milky Way imaging time: . ...
... FTP access the basic models is here . ... Below, we put short descriptions of the used SED models for the photometric redshifts providing by the current server . ... The uniqueness of this model consists in expanding to the near IR (NIR) of Rocca-Volmerange and Guiderdoni's (1988) atlas of synthetic spectra with a revised stellar library, which includes parameters of cool stars. ... Homepage of the GISSEL model). ... Another model used earlier is the model of synthetic spectra of Poggianti (1997). ...
... Pulkovo Astrometric Observations of Bodies in the Solar System from 1898 to 2005: Observational Database T. P. Kiseleva and E. V. Khrutskaya Pulkovo Astronomical Observatory, Russian Academy of Sciences, Pulkovskoe sh. ... The long-term work resulted in long, homogeneous series of observations of various bodies in the Solar System: Venus, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto; the satellites of Mars, Jupiter, and Saturn; selected minor planets, asteroids, and comets. ... 2001; Kiseleva et al...
... By undertaking a spectral and photometric investi gation of the central part of the bright elliptical galaxy NGC 759, we have found an optical counterpart for the circumnuclear molecular gas ring with the radius of # 3 ## (# 1 kpc) which was earlier reported by Wiklind et al. ... 2 Fig. ... More likely, this ring may be a consequence of a tidal encounter between the elliptical galaxy NGC 759 and a large spiral galaxy which was accompanied by a substantial gas accretion. ...
Microsymposium 38, MS083, 2003 (A4 format) MERCURY: LOCAL VARIATIONS OF THE PHOTOMETRIC RELIEF. ... Because of trajectory and pointing angle constraints the planet could be observed from Mariner 10 only over a small range of phase angles between about 75o and 110o. Therefore the photometric investigations are restricted to measuring the distribution of brightness on the Mercurian disk. ... Raw versions of real-time processing pictures FDS 0000984 and FDS 0000986 were used (images 196 and 202). ...
The Official Publication of the Amateur Astronomers Association of Princeton Director Bill Murray ( 609 ) 298-1179 strgazr@comcast.net Assistant Director John Church ( 609 ) 799-0723 j.church@mindspring.com Treasurer Michael Mitrano ( 609 )-737-6518 michael.mitrano@att.net Program Chairman OPEN Secretary Editors Larry Kane Bryan Hubbard and Ira Polans ( 609 ) 273-1456 (908) 859-1670 and ( ... Super Science Saturday at The New Jersey State Museum will be on April 24th. ...
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Ссылки http://www.princetonastronomy.org/newsletters/04_2010sidereal.pdf -- 1162.5 Кб -- 08.04.2010 Похожие документы
... The described algorithm is suitable for measurements of complex images of stars. ... a) the zero-based number of stars in the complex (multicentric) image, . b) set of preliminary coordinates - x i , y i , for all stars, index i is number of a star, . ... i - index of a star in the complex image; . ... These parameters are calculated by a nonlinear method of a least squares.The main output parameters of this algorithm are x i , y i ; where the index i is number of a star in the multicentric image. ...