Doc fix: PsAMV from Horizons is the negative velocity vector.
@@ -218,7 +218,7 @@ class HorizonsClass(BaseQuery):
+------------------+-----------------------------------------------+
| sunTargetPA | -Sun vector PA (float, deg, EoN, "PsAng") |
+------------------+-----------------------------------------------+
- | velocityPA | velocity vector PA (float, deg, EoN, "PsAMV") |
+ | velocityPA | -velocity vector PA (float, deg, EoN, "PsAMV")|
+------------------+-----------------------------------------------+
| GlxLon | galactic longitude (float, deg, "GlxLon") |
+------------------+-----------------------------------------------+
