... 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...

The Second U.S. Naval Observatory CCD Astrograph Catalog ( UCAC2 ) Table of Contents 1) Introduction 2) Summary of the Project a) Observations and Instrumentation b) Reductions of UCAC Observations c) Computation of Proper Motions 3) Properties of the Catalog and Important Notes For the User a) Sky Coverage b) Completeness c) Positions, Proper Motions and Error Calculations d) UCAC2 Magnitudes e) 2MASS Photometry f) Non-stellar ... All stars in the UCAC2 have proper motions. ...

. N orilsk N eutron M onitor . Cosmic rays variation . Atmospheric pressure . Year . Month . Day . Hour . Minute . From . To . Resolution . Type of Data . 1 year 1 month 27 days 1 day 12 hours 6 hours 1 hour 15 min 10 min 5 min 1 min . Corrected for Pressure Atmospheric Pressure Uncorrected for Pressure . Data are also available by FTP . All Data for all Station are available by FTP . Links . Irkutsk .

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 . ...

... Printed in the U.S.A. HIGHLY IONIZED POTASSIUM LINES IN SOLAR X-RAY SPECTRA AND THE ABUNDANCE OF POTASSIUM J. Sylwester1 , B. Sylwester1 , K. J. H. Phillips2 , and V. D. Kuznetsov3 2 Space Research Centre, Polish Academy of ... Troitsk, Moscow, Russia; kvd@izmiran.ru Received 2009 December 5; accepted 2010 January 6; published 2010 January 21 1 ABSTRACT The abundance of potassium is derived from X-ray lines observed during flares by the ...

Russian Space Science Internet (RSSI) is a successful result of RSSI Project. ... space oriented organizations; . ... RSSI offers for its members : . ... videoconferences via MBONE Internet protocol (there are 2 tunnels available now through the general IP network: one to NASA Internet, and another to Moscow State University); . ... It is designed so that all organizations connected to the RSSI gain access to the resources of Russian computer networks as well as world wide Internet. ... nic@rssi.ru ...

... Dmitry Stepanovich (VIDEO of March 2011) . Olga Silchenko, a soloist of the Early Music Theatre . ... Anna and Olga Silchenko have presented the duets by Rubinstein and Chaikovsky (VIDEO) . ... Two Russian romances - duets by Olga Silchenko and Dmitry Stepanovich (VIDEO) . ... N. Rimsky-Korsakov "The Tsar's Bride", the duet of Lubasha and Gryaznoy - by Olga Silchenko and Dmitry Stepanovich (VIDEO) . ... Vivaldi "Magnificat", 6th part, duet by Anna and Olga Silchenko (VIDEO) . ... Olga Silchenko . ...

Электронная библиотека астронома-любителя. ... библиотека . архив RSN . ... Ru.Space.News: . Февраль 1998 . ... Дата: 08 февраля 1998 (1998-02-08) От: Alexander Bondugin Тема: Space Researchers Gain Insight Into Deadly Virus Привет всем! ... GALILEO - COUNTDOWN TO EUROPA February 5, 1998 It is now 4 days and 22 hours to the Galileo spacecraft's next encounter with Europa. ... Дата: 08 февраля 1998 (1998-02-08) От: Alexander Bondugin Тема: Mars Surveyor 98 Update - February 6, 1998 Привет всем! ...

style html {overflow-x:hidden; } html, body { height: 100 %; margin: 0px ;padding: 0px ; }#__container { position :relative; min-height: 100 %; }#__footer{ position :absolute; bottom:65px; width: 100 %;}#__ mlk { width: 100 % ! important ;border-top:1px solid #AEAEAE;border-botton:1px solid #AEAEAE;z-index:999 ! important ; color : black ! important ; position : absolute! important ;left: 0px ! ...

Supernova 2007uy and 2008D in NGC 2770 . This page is devoted to information on Supernova 2007uy and Supernova 2008D in NGC 2770 . ... Information on the original web pages for many of these images can be found on the updates and links web pages. 2007uy was discovered by Yoji Hirose (Japan)). ... 2008D was discovered by the Swift/XRT satellite which was then observing 2007uy , and announced by Lick Observatory Supernova Search (USA). ... SNWeb has a 2007uy page and 2008D page . ... JM Llapasset . ...

Общая Астрономическая Конференция > Форумы общей направленности > Любые вопросы от новичков > Помогите найти . ... Просмотр полной версии : Помогите найти . ... A total of 373 objects was found which yielded a surface density of 8.6 UVX/deg/sup 2/ with B< or approx.^=20 mag.^ ... The surface density in this region is 7.2 UVX/deg/sup 2/ at Bapprox.19 mag and approximately a factor of 2 larger than the one found by Savage and Bolton (1979) in two 25-deg/sup 2/ fields near the SGP.^ ...

Available online at www.sciencedirect.com Advances in Space Research 43 (2009) 1001­1006 www.elsevier.com/locate/asr TESIS experiment on EUV imaging spectroscopy of the Sun S.V. Kuzin a,* , S.A. Bogachev a, I.A. Zhitnik a, A.A. Pertsov a, A.P. Ignatiev a, A.M. Mitrofanov a, V.A. Slemzin a, S.V. Shestov ... 13, Moscow 119992, Russia Received 16 April 2007; received in revised form 25 September 2008; accepted 20 October 2008 Abstract TESIS is a set of ... Keywords: Sun; Flares; X-rays 1. ...

... Bad Astronomy . ... On Thursday, February 15th 2001 (and replayed on March 19), the Fox TV network aired a program called ``Conspiracy Theory: Did We Land on the Moon?'', hosted by X-Files actor Mitch Pileggi. ... Dust around the lander . ... However, it appeals to our common sense: when the sky is black here on Earth, we see stars. ... Bad: The program claims that when the top half of the lander took off from the Moon to bring the astronauts back into orbit, there was no flame from the rocket. ...

Lectures . ... Home Lectures Lecture Series 2011-2012 Lecture Series 2011-2012 ? тАЬAt Last: Seeing Supermassive Black Holes Shred StarsтАЭ ? Glennys Farrar . ... Lecture Series 2011-2012 . ... Lecture Series . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

... Телескопостроение, оптика (Модераторы: I.A.R. , Ivan7enych ) ? Интервью с Thomas M. Back . ... CN: Who does the lens figuring for your TMB scopes? Why did you choose them? ... Their master opticians do the final hand figuring, that is so important for sharp and high contrast images. ... They make their own glass, curve generate, polish, figure, multicoated all glass surfaces, and finally make a custom temperature compensated cell, that has been a proven performer over the last 9 years. ...

Evolution of the double neutron star merging rate and the cosmological origin of Gamma-ray burst sources " , Astroph.J., 1995, v.454, 593-596 (Lipunov, V.M. Postnov, K.A. and Prokhorov M.E.) . Evolution of SupernovaЃExplosion Rates in theЃ Universe (Jorgensen H., Lipunov.M., Panchenko I.E., Postnov K.A., Prokhorov M.E.) ApJ, 1997, v.486,p.110 . ... Formation of a Gravitationally Bound Object after Binary Neutron Star Merging and GRB phenomena " (G.V.Lipunova, V.M.Lipunov). ...

. Christmas History Traditions Carols Celebration in UK Celebration in USA яhristmas Menu .

... Управление полета . Полет "Союз ТМА-13" . Экипаж "Союз ТМА-13" . Эксперименты . ... Оценка атрофии глубоко расположенных мышц человека в условиях невесомости по регистрации субъективных болевых ощущений в области поясницы, испытываемых астронавтом в течение дня. ... Исследование влияния микрогравитации на роговицу глаза. ... Ежедн. с 14.10 . ... УКП -5 мин . ... 14.10 - перенос контейнера из ТК 'Союз ТМА-13', размещение на месте экспонирования и *фото . ... УКП - 1 час 20 мин . ...