Sunday, April 14, 2013
Save this Pub 229 sight reduction calculator file to your laptop desktop to have an on the go anywhere means of performing celestial sight reduction.
(Z) rules to get (Zn) azimuth of body when using the calculator
L.H.A. greater than 180° Zn=Z
L.H.A. less than 180° Zn=360°–Z
L.H.A. greater than 180° Zn=180°–Z
L.H.A. less than 180° Zn=180°+Z