From: utzoo!decvax!cca!Vince@sri-unix Newsgroups: net.space Title: Eclipse & phase of the moon Article-I.D.: sri-unix.2012 Posted: Tue Jul 6 02:30:16 1982 Received: Wed Jul 7 02:11:28 1982 Does anyone out there have algorithms for a) Calculating times of eclipses and b) Calculating relative totality at a point in time during the eclipse (e.g. how much of the moon is visible, how much is visible due to refraction, etc.) I have a program here which calculates and displays the phase of the moon, and a rather serious bug became evident starting at around 1:30 (EDT) this morning.... --vaf