moonillum
library
Functions
-
illuminated(double i)
→ double
-
Illuminated fraction of the Moon from phase angle.
-
limb(double ra, double dec, double ra0, double dec0)
→ double
-
Position angle of the Moon's bright limb.
-
phaseAngle3(double jde)
→ double
-
Quick phase angle from JDE (less accurate).
-
phaseAngleEcl(double lon, double lat, double delta, double lon0, double r)
→ double
-
Phase angle from ecliptic coordinates.
-
phaseAngleEq(double ra, double dec, double delta, double ra0, double dec0, double r)
→ double
-
Phase angle from equatorial coordinates.
-
phaseAngleEq2(double ra, double dec, double ra0, double dec0)
→ double
-
Less accurate phase angle from equatorial coordinates (no distances).
