Body Date Zone DR LAT DR LON	Time Hs Time Hs Time Hs Time Hs Time Hs	Your browser does not support the HTML5 canvas tag.
hs (sextant) index correction dip correction sum ha (apparent) altitude correction additional correction horizontal parallax correction to ha ho (observed) observation time GMT date GMT time TAB GHA GHA increment SHA GHA Assumed LON LHA   Tab DEC/d d correction True DEC Hc (computed) Ho (observed) a (intercept) Z (azimuth angle) Zn (azimuth)   © Marco Bergman 2019