External web links
Excellent Dictionary and set of explanations for beginners to Astronomy - Astrofriend (Lars)
Definition of Astronomy-related Terms - From Scope City
StarHop Trainer - A star hopping FOV simulator written by Kevin Williams (CN Member: KevDog)
Astronomics: How To - Information library provided by Astronomics
Celestron Knowledge base - Information library provided by Celestron
ATM (Amateur Telescope Making) Resources - Information library provided by Stellarfane
Determining Magnitude and Finding a Dark Sky Place – by Globe at Night
List of Named Stars in Alphabetical Order - Chris Dolan
Limiting magnitude based on telescope diameter – by The Wilderness Center Astronomy Club
Choosing your telescope’s magnification – by Tele Vue
Saguaro Astro Club’s Eye Primer – Eyepiece basics provided by Saguario Astronomy Club
Astro Glossary – by Calvin J. Hamilton
Cleaning optics – by the Arkansas Sky Observatory
Astronomical Seeing for imagers – by Damien Peach
Printable Telrad Charts of Messier Objects – by Custer Institute & Observatory
Triatlas Project - free astronomical maps by José Ramón Torres and Casey Skelton
Space Calendar – by NASA JPL (Jet Propulsion Laboratory)
Massive compilation of links to amateur astronomy sites – by CBEL
Inconstant Moon – by Kevin Clarke. If you click on the date, on the calendar to the right, it’ll tell you what features can be seen (theoretically) on any given night
How to align your Newtonian telescope – by Sky & Telescope
Tonight’s Sky – by Mark Casazza Consulting. A simply amazing site/program that allows you to customize an observing list for your specific location and time. If you're wondering what to look at tonight, or any night, give this site a try
Andy’s ShotGlass – by Andy Raiford. A great resource of a large number of articles
SkyMaps – by Sky & Telescope. A monthly supplement of the Evening Sky Map in PDF
Backyard Astronomer’s Guide – by Terence Dickinson and Alan Dyer. A limited selection of great articles for the beginner
The Astronomical Unit – by Stephen Tonkin. A resource of online tutorials
Binocular Sky – by Stephen Tonkin. A resource of online tutorials
Heavens Above - by Chris Peat. Satellite tracking and other astronomy resources
The Schmidt-Cassegrain Telescope Web Site – by Ted Kurkowski
Sunrise and Sunset Calendar – by Steve Edwards
Barlowed laser collimation – by Steve Smallcombe
Deep Sky Archive – by Laura and Riku. A great place to peruse sketches made of DSO
Astronomy Tools – by First Light Optics. FOV Calculators, Star chars and other helpful resources
Convert GMT to your local time – by TimeZoneConverter.com
The N.A.A. Telescope Calculator – by the Naperville Astronomical Association
Weekly information on comets - by Seiichi Yoshida
Monthly Comet Chasing column - by Skyhound
Solar and Lunar eclipses in your city - by Time And Date AS
CalSky Astronomical Calendar - by CalSky Services
Astronomy calculators - By CN member Wolf
Turn Left At Orion - The Turn Left at Orion web resource site, supplemental observing material