Celestial Navigation - 

• Celestial Navigation Simplified - Irreverent Navigator http://www.bestboatsurveyor.com/celestial1.html
• A Short Guide to Celestial Navigation - Henning Umland  http://home.t-online.de/home/h.umland/page2.htm
• Celestial Navigation    What are the Options? - Bill Myers http://www.nav.org/cel/introduction.html
• Celestial Navigation Basics
• Celestial navigation for dummies
• Celestial Navigation at Sea -- Notes & Outline by Douglas S. J. De Couto
• Astro Lecture

References,  tables, calculators -

• Marine Navigation Calculator-NIMA  http://pollux.nss.nima.mil/calc/calc_options.html
• U.S. Naval Observatory:  Sunrise, Sunset, Moonrise, Moonset, and Twilight  http://aa.usno.navy.mil/AA/data/ 
• Atomic Time - US Naval Observatory http://tycho.usno.navy.mil/time.html
• Atomic Time http://www.time.gov/
• Multiyear Interactive Computer Almanac (MICA) http://aa.usno.navy.mil/AA/software/mica/micainfo.html
• Celestial Navigation Resources - U.S. Naval Observatory http://aa.usno.navy.mil/AA/faq/docs/celnav.html
• Her Majesty's Nautical Almanac Office
• Javascript Programs for Navigators from Marine Department Government of Hong Kong http://www.info.gov.hk/mardep/javascpt/javascpt.htm
• On Line Nautical Almanac - Navigator Light
• Capt. Ioannides - Marine Navigation
• Sun Angle: Find declination, local solar time, and time of sunrise and sunsets
• Kjetil Kjernsmo'sTutorial on using a compass
• CGRF Calculate Magnetic Variation
• Prof. Lesikar's ASTR 106
• ASTR106 Sky Chart Glossary
• Navigation by means of astronomical observations
• Measure the height of our polar star
• XEphem  An interactive astronomy software tool  http://www.clearskyinstitute.com/xephem/xephem.html

 Correspondence Courses and Classes

• INS Home study Coastal and Celestial Course
• StarPath Celestial Navigation Home Study course
• School of Ocean Sailing offers live-aboard celestial navigation courses
• Blue Water Sailing School
• Ocean Navigator Magazine On Line
• Argus Nautical Courses - Celestial navigation
• Wattsun Solar Trackers online Solar Calculators
• Dictionary of Technical Terms for Aerospace Use

Tools, Books, and Equipment (in no special order)

• Marine and Air Navigation Instruments  http://www.celestaire.com/
• "Celesticomp V" hand calculator
• RedSky at Night - Celestial Navigation books
• The Brass Company
• The Quarterdeck Books
• Jonesport Nautical Antiques Sextants
• Bluewater Books and Charts
• Imrays oldest nautical publishing house in Europe
• Reeds Nautical Almanac - goodies http://www.reedsalmanac.com/resources/goodies/
• A free feature-limited version of Star Pilot

Bits and Pieces

• San Diego Daily Weather, Surf & Traffic http://www-ccs.ucsd.edu/ccs/daily_weather.html
• San Diego's Ocean http://ocean.peterbrueggeman.com/
• The History of the Planispheric Astrolabe http://www.saundersandcooke.com/history.html
• Columbus and Celestial Navigation  and Columbus and Dead Reckoning 
• Wayfinding - the Pacific Navigators
• Secrets of Ancient Navigation
• Age of Exploration Vocabulary http://www.mariner.org/age/histvocab.html#longitude
• Plymouth Stat Weather Center http://vortex.plymouth.edu/
• Rules of the Road online Test www.usboating.com
• USCG Navigation General Questions: Master's License http://www-arc.com/uscg/Navigation_General.html