Author: Sergey Koposov, Carnegie Mellon University
Email: skoposov _AT_ cmu _DOT_ edu
Copyright: (c) Sergey Koposov, Doug Mink
Description: Small postgreSQL package to convert equatorial coordinates to galactic and
back
Functions provided are
* gal2fk5ra(real, real)
* gal2fk5dec(real, real)
* fk52gall(real, real)
* fk52galb(real, real)
which convert from IAU 1958 Galactic coordinates into J2000 FK5 coordiantes
and back. All inputs are in decimal degrees