... 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...

Previous Editions of the M111: . ... The Christmas Star - Fact Or Fiction? ... Any time you have something you'd like to offer - be it a story of how you first got started in astronomy, a star party you just attended, a telescope you just bought, or your favorite constellation, just drop me a line with the story included and I'll be sure to get it posted! ... First and foremost, I'd like to thank everyone who took the time to vote on this year's board and officer elections both in person and by proxy. ...

Main Program Travel Where to go in Moscow Information . ... February 15 th : Deadline for abstract submission . March 15 th : Release of preliminary scientific program . March 15 th : Deadline for submission of information for visa support . June 16-20: Conference . International Conference: Cosmology and High Energy Astrophysics (Zeldovich-90) 20-24 Dec 2004, Moscow, Russia . Conference E-mail . 2014 Space Research Institute, Moscow Русская версия ...

... These reports are submitted for engineering work accomplished during bright time and maintenance shutdowns. ... 010531: May 2001 Bright Time Engineering Work Summary . ... 020102: January 2002 Bright Time Engineering Work Summary . 020202: February 2002 Bright Time Engineering Work Summary . ... 030101: January 2003 Bright Time Engineering Work Summary . ... 040101: January 2004 Bright Time Engineering Work Summary . ... 050101: January 2005 Bright Time Engineering Work Summary . ...

Обзоры hep-ph: тематический рубрикатор . ... обзор! hep-ph/0304132 . ... Authors: M. Battaglia et al. Comments: 330 pages , Proceedings of the First Workshop on the CKM Unitarity Triangle, CERN 13-16 February 2002, to appear as CERN Yellow Report . ... Comments: 25 pages, 10 figures . ... Comments: 22 pages, no figures, LATEX, preliminary version of Summary Talk given at HQ 2002, International Workshop on Heavy Quarks and Leptons, Vietri sul Mare, Salerno, Italy, May 27 - June 1, 2002; . ...

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

Next: Descriptor NFILTCAR Up: Instrument descriptors Previous: Instrument descriptors . The two most critical types of physical information needed about the filters themselves are (1) what are their transmission curves? and (2) does the instrument either regulate or measure their temperature? ... In addition, we need to know how many different filter-code fields appear in the data. Bearing all this in mind, here are the descriptors for filters: . ... Mon Jan 22 15:08:15 MET 1996 ...

NAUTICAL ASTRONOMICAL YEARBOOK for 2016 (in Russian) . Foreword . ... NAY) is the daily visual geocentrical equatorial ephemerides of brightest navigational stars ? the Sun, the Moon, four major planets (Venus, Mars, Jupiter, Saturn) and of the 69 brightest stars, and the time of the rising and setting of the Sun and the Moon, the time of the beginning and the end of civil and navigational twilights, the azimuths of the upper limb of the Sun on rising and setting. ...

. Album : Фотоальбом Сергея Аюкова :: Travels to distant places and countries :: 1997/08 Japan (Kyoto, Nara) :: 17/08 Kyoto streets. Maruyama park . Up . << Prev . Dreaming about things on display. After checking, they appeared to be not that tasty compared to how they look. Next >> . Created with the tool album generator from David's MarginalHacks on Wed Jun 5 20:38:34 2013 .

... 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...

To appear in "Fourth Workshop on Robotic Autonomous Observatories (2015)"RevMexAA(SC) METEOR OBSERVATIONS WITH MINI-MEGATORTORA WIDE-FIELD MONITORING SYSTEM S. Karpov, 1, 3 N. Orekhova2 G. Beskin, 1, 3 A. Biryukov3,4 S. Bondar,2 E. Ivanov,2 E. Katkova,2 A. Perkov, and V. Sasyuk3 RESUMEN 2 Favor de prop orcionar un resumen en espanol. ... The faintest detected meteors has the peak brightness about 10 mag, while the ma jority - from 4 to 8 mag. ... 2010; Karpov et al. 2013; Beskin et al. ...

... Submitted by Joseph Kristl on 01/22/2007 11:11:43 . ... 16:54:59 local 1/100 sec, f/5.6, ISO 400, fl = 400 mm . While Venus appeared somewhat brighter, it was much higher and thus in a considerably darker sky (and not through thin clouds). My impression at the time was that the comet was brighter than Venus (using calibrated eyeballs.. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... Комментариев нет 14 февраля 2014, 23:15 Twitter . ... 101) Байки из Фидо (7) Литература (16) Листая страницы прошлого Выберите месяц Апрель 2016 (2) Март 2016 (4) Февраль 2016 (4) Январь 2016 (5) Декабрь 2015 (4) Ноябрь 2015 (3) Октябрь 2015 (5) Сентябрь 2015 (5) Август 2015 (5) Июль 2015 (5) Июнь 2015 (4) Май 2015 (8) Апрель 2015 (5) Март 2015 (4) Февраль 2015 (4) Январь 2015 (7) Декабрь 2014 (7) Ноябрь 2014 (4) Октябрь 2014 (5) Сентябрь 2014 (8) Август 2014 (8) Июль 2014 (6)...

. Date, from: . 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 January February March April May June July August September October November December 1952 1953 1954 1955 1956 . to: . 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 January February March April May June July August September October November December 1952 1953 1954 1955 1956 . Longitude, from: . to: . Latitude, from: . to: . Area, from: . to: . Brightness, from: . to: .

Электронная библиотека астронома-любителя. ... библиотека . архив RSN . ... Ru.Space.News: . Февраль 1998 . ... Дата: 14 февраля 1998 (1998-02-14) От: Alexander Bondugin Тема: Overview of Comet Hale-Bopp meeting at Tenerife, Feb. 2-5, 1998 [1/3] Привет всем! ... Moreover, the Comet was visible in the sky for an extremely long period. ... Дата: 14 февраля 1998 (1998-02-14) От: Alexander Bondugin Тема: Sky Telescope News Bulletin - February 13, 1998 Привет всем! ... Clear skies! ...

... 295 Astronomical Data Analysis Software and Systems XII, eds. H. E. Payne, R. I. Jedrzejewski, & R. N. Hook (San Francisco: ASP), 411 . ... Observations by the Chandra X-Ray Observatory are made in a coordinate frame that is essentially fixed. Most objects observed with Chandra, such as supernova remnants, quasars, or pulsars, are at infinity for all practical purposes and the observations produce sharp, focused images. ... Figure 2: Jupiter in ICRS and Object Centered coordinates . ... 2002). ...

. My astronomical research interests center on galaxy structure and evolution. Current topics include: . Polar-ring and interacting galaxies (see also new catalogue ) . Galaxy warps: statistics, properties and origin . Spiral galaxies at z~1: radial and vertical structure of stellar disks, statistics of interactions . Surface photometry and kinematics, dynamical modeling . Observational cosmology . Joomla Counter since Sep 1997

... Общероссийская неделя "Астрономия на тротуаре" - 15-17 апреля . ... Практическая астрономия ? Астрономия и компьютеры (Модераторы: Deimos , Ed_Vazhorov ) ? Спутники в StarryNight . ... Сообщений: 316 . Рейтинг: +30/-0 . Ответ #20 : 01.10.2006 [16:05:07] ? ... Записан . ... Цитата: Astronomer от 01.10.2006 [15:11:09] Я так и делал, но спутники некоторые не появились. ... Цитата: Jupiter от 01.10.2006 [20:50:10] спутники уже небось на другой стороне планеты будут от расчетов . ...

... APT Activities and Science Results 3. ... APT Secretary Philip Edwards (ISAS) reviewed the aims of the APT (http://www.vsop.isas.ac.jp/apt/DefinitionAndAims.html). ... The Australia Telescope Compact Array, and Ceduna, Hartebeesthoek, Kashima, Mopra, Parkes, and Shanghai telescopes of the Asia-Pacific Telescope participated in these observations. ... In the absence of Tetsuo Sasao, Philip Edwards briefly described results of the APT 22 GHz observations conducted from October 1st to 5th, 1997. ...