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Our Lone Companion

the Moon....

Monthly Lunar Phases

   Moon phases Algorithm (c) Bradley E. Schaefer.

Current Moon Phase


The current view of the moon,
with accurate times for Horsham.


Moon Resources

Observing Charts

ALPO Observing program - An Observers' Manual.

Here is a great selection from the fabulous Erika Rix.



Virtual Moon Atlas SoftwareVirtual Moon Atlas - the best software is Christian Legrand and Patrick Chevalley’s Virtual Moon Atlas. This is a wonderful FREE piece of work that you can spend a lot of time playing around with. Indeed, it does so much that it’s probably a good idea to start off with the “light” version before taking on the more advanced “expert” and ‘pro” editions. Fast, accurate, and full-featured

Useful websites

BAA Lunar Section - including Maps, and links to software - http://www.baalunarsection.org.uk/index.htm

SPA Lunar Section - including notes and references - http://www.popastro.com/lunar/

ALPO Lunar Section - several observing programs - http://www.alpo-astronomy.org/lunarblog/

NASA - Lots of information and notes - http://nssdc.gsfc.nasa.gov/planetary/planets/moonpage.html

Atlas - Lunar Orbiter Photographic Atlas of the Moon - http://www.lpi.usra.edu/resources/lunar_orbiter/