Merge pull request #546 from SultanOrazbayev/patch-2

Increase accuracy of Moon separation by including location of the observer

astroplan/constraints.py

@@ -590,11 +590,7 @@ def __init__(self, min=None, max=None, ephemeris=None):
         self.ephemeris = ephemeris
 
     def compute_constraint(self, times, observer, targets):
-        # removed the location argument here, which causes small <1 deg
-        # innacuracies, but it is needed until astropy PR #5897 is released
-        # which should be astropy 1.3.2
-        moon = get_moon(times,
-                        ephemeris=self.ephemeris)
+        moon = get_moon(times, location=observer.location, ephemeris=self.ephemeris)
         # note to future editors - the order matters here
         # moon.separation(targets) is NOT the same as targets.separation(moon)
         # the former calculates the separation in the frame of the moon coord