Spherical Astronomy Problems And Solutions

sinδ=sinϕsina+cosϕcosacosAsine delta equals sine phi sine a plus cosine phi cosine a cosine cap A Rearranging for cosAcosine cap A

A star's coordinates are given for the J2000 epoch. Why are these coordinates "wrong" for an observation taken today? spherical astronomy problems and solutions

Here are three classic problems that cover the core concepts: 1. Converting Coordinates (RA/Dec to Alt/Az) The Problem: spherical astronomy problems and solutions

sinδ=sinϕsina−cosϕcosacosAsine delta equals sine phi sine a minus cosine phi cosine a cosine cap A spherical astronomy problems and solutions