Re: moonlight readings

1999-01-13 Thread Arthur Carlson
John Carmichael writes: > >I have a section which tells how to tell time by using moonlight and a > >sundial. I provide a table of corrections from which the time can be > >estimated if one knows the age (the phase) of the moon. > > > >One question though: Is it nessary to correct moontime wit

Re: moonlight readings

1999-01-12 Thread Roger Bailey
Hello John, My advice is "Don't go there. There be monsters!" * The motion of the moon is quite complicated and the "equation of time" shortcut will not work. You were right is concluding that the solar "equation of time" does not apply, and the eccentricity and obliquity of the ecliptic were th

moonlight readings

1999-01-12 Thread Philip P. Pappas, II
Hello Dialists: I am currently writing the 4th edition of my Sundial Owner's Manual and want to make sure that the information I,m giving my customers is correct. I have a section which tells how to tell time by using moonlight and a sundial. I provide a table of corrections from which the ti