Astronomy Discussion Forums . Forums: . ... Exploring Ultimate Reality! ... Post Message | ... Those properties might be the existence of objects, processes, laws, etc. ... However, existence has to be defined, and causal connection with our physical universe is one of the key attributes for something to be considered to exist. ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...
This module provides for user authentication using MD5 Digest Authentication. ... Source File: mod_digest.c . ... This module implements an older version of the MD5 Digest Authentication specification. While suitable for most modern browsers, mod_digest is known to not work with Microsoft Internet Explorer. ... AuthDigestFile . ... Module: mod_digest . The AuthDigestFile directive sets the name of a textual file containing the list of users and encoded passwords for digest authentication. ...
... разработка теории и методов расчета лучевых дифференциалов первого, второго и третьего порядков в градиентных оптических системах; . ... разработка методов расчета геометрических аберраций второго и третьего порядка осесимметричных оптических систем, содержащих асферические поверхности и градиентные среды типа "псевдоаксикон"; . ... получены формулы для расчета смещения изображения и геометрических аберраций второго порядка в градиентных оптических системах с малыми нарушениями осевой симметрии; . ...
STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Meade 4M Community . ... Telescopes . LX850 Series . ... Series 6000 APO Refractors . ... Infinity Series . The InfinityтДв Series telescopes are perfect for the observer who views both astronomical and terrestrial objects. These telescopes come with all necessary equipment in the box and feature an altazimuth mount that allows for easy and quick viewing. ... Coronado Accessories . ... InfinityтДв 90mm Altazimuth Refractor . ...
КОНКУРС РЕШЕНИЙ ИССЛЕДОВАТЕЛЬСКИХ ЗАДАЧ по геометрии и топологии Основная цель Конкурса | ... Циклы задач вывешены на 15 этаже, лежат на http://dfgm.math.msu.su/ materials.php (а материалы Аржанцева, Протасова и Скопенкова | ... До 5.03.08 возможно появление там новых циклов задач! ... Можно сдавать совместные работы (набор соавторов может быть разным для разных циклов задач). ... Жюри Конкурса состоит из сотрудников факультета, приславших (А. Б. Скопенкову) циклы задач для исследования. ...
... WorldWide Telescope Ambassadors . Dr. Patricia Udomprasert . ... WorldWide Telescope (WWT) [www.worldwidetelescope.org ] is a rich visualization environment that functions as a virtual telescope, allowing anyone to make use of professional astronomical data to explore and understand the universe. ... WWT has the potential to dramatically impact educational outreach work done by amateur astronomers. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...
... ARTICLE: The Adventurous Search For The Astronomical Unit . ... Kepler himself had suggested to use the rare occasions of Venus transiting (crossing) the solar disk to measure our distance to the planet. ... Due to the orbital inclination of Venus against the ecliptic of 3.5°, a Venus transit is so rare that it happens only at intervals of 121.5 years, 8 years, 105.5 years, 8 years and so on. ... Crabtree witnessing the transit of Venus 1639 . ... Transits of Venus - The Quest for the Solar Parallax...
... Индексы солнечной активности . ... Солнечные регионы . ... NOAA 11300's . ... Описание солнечных регионов . ... Рекуррентные пятна, пересекавшие солнечный диск со 2 по 14 марта 2003 года, вдоль средних широт северного полушария. ... Мелкое биполярное образование, пересекавшее солнечный диск с 22 марта по 2 апреля 2003 года, вдоль средних широт южного полушария. 29 марта суммарная площадь региона преевысила 100 м.д.п., а в группе насчитывалось более 20 пятен. ... Остаток биполярного региона 10296. ...
... This is because, while one always tries and plans that such an exercise will never be needed, it often proves to be a very useful process to have undertaken, as it points out what needs to be better documented, recorded, and what tools and software are really needed for events like this. ... There was/is little quantitative data in the night logs, which is not very surprizing, given their nature (i.e. a verbal description of the night's activities. ... The effeciency of log2asc needs to be improved....
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" . ...
. The day after reaching Corydon, Edwin Hubble and Jack Roberts walked on west to Wyandotte Cave, where they explored the tight squeeze known as Worm Alley. Jack set his Brownie camera on a rocky ledge and scooted around in time to get his profile into the photo -- his only portrait with his hero Hubble. Photograph by Jack Roberts. Comments by John R. Hale.
... Structure of Data . ... Catalog . ... The SAI OCL Catalog site provides several VO-enabled modes of operation: . VO-enabled catalog data analysis from a browser . ... Endpoint URL is http://ocl.sai.msu.ru/catalog/conesearch/ . ... VO-enabled catalog analysis from a browser . Presently, this recipe works with Firefox (Windows, MacOS, Linux), Internet Explorer (Windows) and Opera (Windows) browsers with Java plugin 1.6 installed. ... Main TOPCAT window with SAI OCL catalog loaded will appear. ...
Posting Observations . ... You will need to subscribe to vsnet-acc (to allow you access to post your observations). ... VSNet has several different e-mail sigs, and sub sigs. ... These list are controlled by a software package called " Majordomo ", which allows you to subscribe and unsubscribe yourself from these list with an e-mail message (automated). ... Once you have subscribed to vsnet-acc (which will only send you a welcome message back and nothing else) you can post to the other list. ...
... Observatory . ... THE HISTORY OF AAAP . ... After introductory remarks by Robert Sanders, founder of the Association, it was moved that the name of the organization be Amateur Astronomers Association of Princeton. ... 2/72 First issue of Sidereal Times, so named by Editor Roxanne Tobin. ... 5/72 Election of officers: Norman Sperling, Director; John Church, Assist. ... Sidereal Times, John gives the following report: . ... Sidereal Times.) ... Amateur Astronomers Association of Princeton Т? 2015. ...
... 000, 112 (2009) Printed 11 February 2010 A (MN L TEX style file v2.2) Analytical approximations of K -corrections in optical and near-infrared bands I1gor V. Chilingarian1 2 ,2,3 , Anne-Laure Melchior 1,4 and Ivan Yu. ... Received 2010 February 01; in original form 2009 August 14 ABSTRACT To compare photometric properties of galaxies at different redshifts, the fluxes need to be corrected for the changes of effective rest-frame wavelengths of filter bandpasses, called K -corrections. ... Table 1. ...
ISSN 1063-7737, Astronomy Letters, 2011, Vol. ... 2011. ... 37, No. 9, pp. 643650. i Lenticular Galaxies with Ultraviolet Rings M. A. Ilyina* and O. K. Sil'chenko Received April 28, 2011 ** Sternberg Astronomical Institute, Universitetskii pr. ... We have analyzed the optical structure of these galaxies using SDSS (Sloan Digital Sky Survey) surface photometry, measured the colors of the rings, and compared the radial localizations of the ring structures in the optical and ultraviolet spectral ranges. ...