@spiceErrorCheck<EOL>def phaseq(et, target, illmn, obsrvr, abcorr):
et = ctypes.c_double(et)<EOL>target = stypes.stringToCharP(target)<EOL>illmn = stypes.stringToCharP(illmn)<EOL>obsrvr = stypes.stringToCharP(obsrvr)<EOL>abcorr = stypes.stringToCharP(abcorr)<EOL>return libspice.phaseq_c(et, target, illmn, obsrvr, abcorr)<EOL>
Compute the apparent phase angle for a target, observer,
illuminator set of ephemeris objects.

http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/phaseq_c.html

:param et: Ephemeris seconds past J2000 TDB.
:type et: float
:param target: Target body name.
:type target: str
:param illmn: Illuminating body name.
:type illmn: str
:param obsrvr: Observer body.
:type obsrvr: str
:param abcorr: Aberration correction flag.
:type abcorr: str
:return: Value of phase angle.
:rtype: float