Bibliography:
Texts:
Telescopes and Techniques: An Introduction to Practical Astronomy
By C.R. Kitchin
ref pages: 59-77, 80-81, 83
Eye Witness Handbooks: Stars and Planets:
The visual guide to the night sky viewed from around the world
By Ian Ridpath
ref pages: 16-21
Astronomy Through the Ages: The story of the human attempt to understand the universe.
By Robert Wilson
Longitude:
The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time
By Dava Sobel
ref page: 90,91
Websites:
Heavenly Mathematics: Highlights of Cultural Astronomy
http://www.math.ns.edu.sg/aslaksen/teaching/heavenly.shtml
Celestial Navigation; How it works
http://www.seatape.com/303doc.htm
Introduction to Celestial Navigation
http://www.nav.gov/cel/introduction.html
XTant project- Build your own sextant
http://www.tecepe.com.br/nav/XTantProject.htm
Interactive sextant
http://www.tecepe.com.br/nav/sextantflash.html
NOVA Online | Shackleton’s Voyage of Endrance | How a Sextant Works | PBS
http://www.pbs.org/wgbh/nova/shackleton/navigate/escapeworks.html
NOVA Online | Shackleton’s Voyage of Endrance | Navigation by Sextant | PBS
http://www.pbs.org/wgbh/nova/shackleton/navigate/escapenav.html
Celestaire – Navigation Instruments: How does celestial navigation work?
Http://www.celestaire.com/page7.html
Eric Weisstein's World of Astronomy
http://scienceworld.wolfram.com/astronomy/EclipsingBinary.html
Astronomy On-Line Measuring the Altitude of the North Pole Star
http://eso.org/outreach/spec-prog/aol/market/information/finevent/finevent/polar.html
http://eso.org/outreach/spec-prog/aol/market/information/finevent/finevent/polmath.html
celestial navigation for dummy
http://home.tiscalinet.be/asna/Text/celnav1.htm
Celestial Navigation Net
http://celestialnavigation.net/
http://celestialnavigation.net/instruments.hml
http://celestialnavigation.net/practice.html
http://celestialnavigation.net/theory.html
Navigation-
http://www.irbs.com/directory/Navigation/
General Sight Reduction
http://www.info.gov.hk/mardep/javascpt/sight.htm
explanatory articles
http://www.mhs.ox.ac.uk/epact/articles.asp
http://mhs.ox.ac.uk/epact/article.asp?article=Astrolabe
http://mhs.ox.ac.uk/epact/article.asp?article=Armillary$32Sphere
Selected Stars, Listed from West to East
http://www.angelfire.com/nt/navtrig/F1.html
Spherical Coordinates
http://www.angelfire.com/nt/navtrig/E3.html
medieval nag instru
http://www.humboldt.edu/~rap1/EarlySciInstSite/Instruments/RepInst.htm
Epact Scientific Instruments of Medieval and Renaissance Europe
http://www.mhs.ox.ac.uk/epact/catalogue.asp?enumber=96868
Astronomical Instruments
http://members.tripod.com/~worldsite/astronomy/astroinst.html
The History of Sextant
http://www.mat.uc.pt/~helios/Mestre/Novemb00/H61iflan.htm
http://www.cogtech.com/EXPLORER/sextant.htm
Find latitude by Polaris
http://www.eso.org/outreach/spec-prog/aol/market/information/finevent/polmath.html