def mjd_to_lst(self, mjd):
"""Given an MJD convert it to LST at the observing site.
Input:
mjd: The MJD to convert.
Output:
lst: The corresponding LST (in hours)
"""
gst = utils.mjd_to_gst(mjd)
lst = self.gst_to_lst(gst)
lst %= 24
return lst
def lstnow(self):
"""Return the site's current LST.
Inputs:
None
Output:
LST: The local sidereal time for the observer (in hours).
"""
mjd = utils.mjdnow()
gst = utils.mjd_to_gst(mjd)
lon_hours = self.lon/15.0
lst = gst + lon_hours
lst = lst % 24
return lst