astropy/astropy — pull request #562 by astrofrog (2012-12-17 15:56:45+00:00)
Title: Change order or arguments in spherical distance routines

I just got had by the order of the arguments in the spherical distance routines, e.g. ``vincenty_sphere_dist(lat1, lon1, lat2, lon2)``. Having latitude then longitude is counter-intuitive, as is means specifying e.g. dec, ra. @eteq - can we change it to longitude, latitude?