def conv_equ2azel(ra, dec, geolon, geolat, utc):
import Ganga as G
import time
import os
jd = unix2jd(utc)
gst = jd2gst(jd)
lst = G.gst2lst(gst, geolon)
az, el = G.equ2hor(ra, dec, geolat, lst)
return az, el
def conv_azel2equ(az, el, geolon, geolat, utc):
import Ganga as G
import time
import os
jd = unix2jd(utc)
gst = jd2gst(jd)
#print gst.min(), gst.max()
lst = G.gst2lst(gst, geolon)
#print lst.min(), lst.max()
ra, dec = G.hor2equ(az, el, geolat, lst)
return ra, dec