About this document
Understanding Hour Angles in Astronomy by wonodek778 is a document available to read on EtoBox.
The document defines several types of hour angles used in celestial navigation: Greenwich Hour Angle (GHA), Local Hour Angle (LHA), Sidereal Hour Angle (SHA), and Right Ascension (RA). It also discusses the rate of change of GHA for the sun and other celestial bodies, as well as corrections for v (excess hourly change in GHA) and d (hourly change in declination). Finally, it defines geographical position as the point on Earth directly below a celestial body, expressed as the body
- Author
- wonodek778
- Language
- EN