... Barbara Hubal . Mike Unsold . ... Workshops . ... Ken Hubal . ... He's also built a number of specialized solar astronomical instruments and regularly submits data to the American Association of Variable Star Observers, Solar Section.. ... The Hidden Hollow weekend Star Party at Warren Rupp Observatory will be back again this year the weekend of May 2nd - 4th! Hidden Hollow 2008 . ... Make-and-Take Solar Filter This year we plan on having another "make-and-take" solar filter workshop! ...
... Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . des actualit†йs . des reportages . ... les plus belles images de l'Univers d†йcrypt†йes pour vous . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Une sonde am†йricaine explorera Jupiter en 2016 . ... 04/04/2016 - Une Terre en formation autour d'une †йtoile proche€а? . ...
... Astrophysics Group . ... MRAO Telescopes . COAST . COAST A Gentle Introduction . ... The limitations of current technology mean that the largest optical telescopes produced today have collecting mirrors up to 10m in diameter. ... The larger the mirror, the further apart these parts can be, and the sharper the resulting image. One of the most amazing developments in optics this century was the realization that not all the pieces of the telescope mirror need be present at the same time! ...
... В настоящий момент сканируется знаменитый трехтомник "Гравитация" Мизнера, Торна и Уиллера. Книга была написана в 1973 году, а на русском языке вышла в 1977. ... современной теории гравитации. ... Монография выдающихся американских физиков Ч.Мизнера, К.Торна и Дж.Уиллера "Гравитация", выпускаемая на русском языке в трех томах, посвящена изложению физических основ, соременного математического аппарата и важнейших достижений теории тяготения Эйнштейна. ... Интересно ли Вам . ...
AAL Guestbook . Please Sign Our Guestbook . Guestbook Entries: 147 . ... Previous Page | Next Page . ... Kathmandu, Nepal Nepal . ... Galileo astronomical society of Pokhara Nepal - GASPO . ... Signed on Monday, December 12, 2005 at 09:48:20 CET . ... Signed on Friday, December 02, 2005 at 23:26:40 CET . ... Signed on Wednesday, November 09, 2005 at 04:30:50 CET . ... Signed on Wednesday, August 31, 2005 at 01:42:33 CET . ... Signed on Sunday, April 24, 2005 at 06:54:17 CET . ...
... OTHER STUFF | ... and also: Helmut Jerjen ( Basel ) 1995 Bruno Binggeli ( Basel ) 1981 Alan Sandage (Caltech) 1953 Edwin Hubble (Chicago) 1917 Edwin B Frost (Potsdam) 1890 Hermann Vogel (Jena) 1868 Johann Karl Friedrich Z llner ( Basel ) 1859 Gustav Heinrich Wiedemann (Berlin) 1847 Heinrich Gustav Magnus (Berlin) 1827 Eilhard Mitscherlich (G ttingen) 1814 Friedrich Stromeyer (G ttingen) 1800 Johann Friedrich Gmelin (T bingen ) 1768 Phillip Friedrich Gmelin (T ...
... We thank the Swift team for their rapid scheduling of this observation. ... 2455705.20851 V 14.15 0.03 2455707.83079 V 14.10 0.03 2455710.84028 V 13.53 0.02 2455713.64631 V 13.66 0.02 2455714.65479 V 14.11 0.03 2455714.71823 V 14.12 0.02 2455714.78596 V 14.20 0.02 2455717.39593 V 14.37 0.03 2455726.62861 V 14.83 0.04 2455727.16343 V 14.57 0.04 2455730.50586 V 14.57 0.03 2455730.57329 V 14.56 0.03 2455730.70360 V 14.66 0.04 2455738.32865 V 14.00 0.02 2455742.86146 V 14.21 ...
... Building Museum Quality Replicas of Galileo's Telescopes . ... This month's meeting will feature Jim and Rhoda Morris speaking on their replicas of Galileo's telescopes. ... With their background as physicist and chemist and their experimental skills the authors set about to make the most accurate replicas of these telescopes in existence today. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...
Lectures . ... Home Lectures Lecture Series 2009-2010 . ... Lecture Series 2014-2015 . Lecture Series 2013-2014 . Lecture Series 2012-2013 . ... Lecture Series 2009-2010 . ... Clear Sky Chart . ... Beyond New York City . ... Lecture Series . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...
STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... StarNavigator Series . ... These telescopes come with all necessary equipment in the box and feature an altazimuth mount that allows for easy and quick viewing. ... StarNavigator 130mm Altazimuth Reflector with AudioStar . ... Meade StarNavigator 130mm reflecting telescope #20130. ... The StarNavigator 130mm reflecting telescope features a lens diameter of 130mm (5.1") for clear, bright images and a focal length of 1000mm; focal ratio f/7.7. ...
... ARC 3.5m | ... 2.1 Choosing and Exposure Time . 2.2 Choosing the CCD Gain . ... 3.2 Read Times and Read Noise . ... At the slow read rate of 100 KHz to be used for exposure times longer than a few seconds, we determine an average read noise of order 3.7 ? ... Table 2: Exposure time must be greater than the readout time by at least 0.03 s. The Agile CCD camera has two readout amplifiers, one of which is capable of reading at the fast readrate of 1MHz while introducing a read noise of order 7 ? ...
Next: CCD Operation Up: Charge Coupled Devices (CCDs) Previous: Charge Coupled Devices (CCDs) . ... However it is only now that a number of important X-ray astronomical applications of CCDs have reached critical development stages, so that this is an appropriate time to review the application of space-borne CCD instruments to cosmic X-ray astronomy, and highlight the particular concerns which are being addressed for X-ray instruments, as distinct from optical applications. ...
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... 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. ...
Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... Winer . ... Mark Trueblood was born in Cincinnati, Ohio in 1948. ... It was Andy, with the encouragement of Irv Winer, who got Mark interested in telescope building and astronomy again. ... Society for Astronomical Sciences (Robert Crawford lead author) . ... Trueblood, Mark, "The Space Telescope Payload Operations Control Center" in Genet and Genet, eds., Microcomputers in Astronomy - II, Fairborn Observatory (Fairborn: 1984), 11. ...