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Ramsden Eyepiece, Kellner Eyepiece, Orthoscopic Eyepiece, Plossl Eyepiece, Wide Field Eyepieces, Erfle Eyepiece, Konig Eyepiece, Nagler Eyepiece
Cerra La Silla and CCAT

Timelines & Famous Astronomers

Bar Bar Pre-Recorded History to the end of 1682 Newton's "Principia" to 16th July, 1968 20th July, 1969 to the 31st December 2000 1st January 2001 to the 31st December 2007 1st January 2008 and onwards and upwards... From Ancient Time to the Renaissance From the Renaissance to the Ninetenth Century From the Nineteenth Century Onwards...

Outside Audo-Visual Resources

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ESA

Over 400 Video clips on all aspects of astronomy

NASA TV

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All four of these television feeds need Real Player
You will also need a good, clean broadband, ISDN or T1/E1 connection in order for them to be played for comfortable viewing. Without one of these type of connections you will be unutterably frustrated. The first three channels run more or less twenty-four hours per day; however, not infrequently, Media shows exactly the same program as Public.

Associated, Helpful Pages

Bar Bar What is an "Astronomical Unit"? Short explanation of this and a lot more Longer explanation of "Black Holes" and more of the less well understood terms in astronomy Listing of Exo-Planets so far discovered, as of 31 March 2008 Satellites launched for purely astronomically related reasons (Not up to date) An explanatory page describing the difference between the various types of stars Over 1,500 acronyms used in Astronomy, from the common to the obscure

Miscellaneous Items

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Camera This button occurs frequently and signifies the presence of a big image which displays when you mouse-over the button and disappears when you move the mouse away. However, depending on where the button is on the page relative to the bottom of your screen, you may need to scroll the camera button up the page to view large images properly as my function drops the image down and to the right of the button.

I This button signifies the presence of more information which you access by either hovering over or clicking on the button.

Major Space-based Astronomical Telescopes

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•Chandra X-Ray Telescope: HomeGallery
•Hubble Optical Telescope: HomeGallery
•Solar and Heliospheric Observatory (SOHO): HomeGallery
•Spitzer Infra-Red Telescope: HomeGallery
•On their way...
Gamma-ray Large Area Telescope (GLAST) - 2008
James Webb Telescope - 2013

Professional Astronomy Sites

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Astronomical Images - List of World Wide Web Servers specialising in astronomical image archives.
Astronomy Expert - Site concerned with the study of Stars, Planets and Outer Space Phenomena with a high quality monthly newsletter.
AstroWeb Listing of ground-based Telescopes.
AstroWeb Listing of spaceborne Telescopes.
BBC Space Science page Including Sir Patrick Moore's "Sky At Night"
British Astronomical Association
British National Space Centre
Encyclopaedia Astronautica
ESA European Space Agency
ESO European Organisation for Astronomical Research in the Southern Hemisphere
Telescope Data Center at The Harvard-Smithsonian Center for Astrophysics
Harvard List Of Observable Comets
Harvard List Of Potentially Hazardous Asteroids
NASA "Picture Of The Day" Calendar
Space Weather Prediction Centre Solar And Geophysical Events
Virtual Observatories Virtual Tours of 30-odd major Observatories

Other astronomy related websites

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Video Jug Astronomy - Seven, astronomical question and answer sessions videos by Sir Patrick Moore and Chris Lintott
Heavens Above - If you are into artificial satellite watching, this is probably the best site for predicting satellites and space stations. It also covers comets, etc.
Satscape - Excellent program to track all earth-orbit satellites, on your PC
SpaceWeather - Best site for up-to-date information on solar weather, auroras and potentially hazardous asteroids (PHAs)
Atmospheric Optics - A host of visual spectacles - rainbows, halos, glories, coronas and many more
Green Flashes and Mirages Introductions to these two phenomena from San Diego State University

Amateur Astronomy Sites

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The Society For Popular Astronomy - Great informative site for amateur astronomers
The Nine 8 Planets - a tour round the Solar System

Miscellaneous

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Telescope theory and science...

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  • Telescope optics in detail - Degree level maths and optics, but definitely worth a read. Good descriptions of every conceivable type of telescope except sadly, Ritchey-Chrétien (as at August 2007)
  • A brief Tutorial Guide - Astrophotography and Telescope Basics

BUILD your own telescope...

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BUY your own telescope...

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Free Auto-Mailers on Astronomy

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News at ESO - European Southern Observatory Newsletter
News at ESA - European Space Agency Newsletter. Loads of subject options and available in any of 20-odd languages!
Science at NASA - Weekly Newsletter of everything important
SpaceDaily - Eight diferent newsletters, ranging from Astronomy to Space Wars

Astronomy Magazines

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Sky At Night Magazine - UK The world's first astronomy magazine
Amateur Astronomy Magazine - USA
Astronomy And Space - Ireland
Astronomy Magazine - USA
Astronomy Now - UK
Sky News - Canada

Ancient Places Purportedly Related to Astronomy

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Amount & Order of Content, Design & Layout, Copyright © Brian Timmins, 2007, All Rights Reserved. Space Owner & Webmaster: Brian Timmins