| .. |skycoord| replace:: `~astropy.coordinates.SkyCoord` | |
| .. |quantity| replace:: `~astropy.units.Quantity` | |
| .. |Angle| replace:: `~astropy.coordinates.Angle` | |
| .. |Longitude| replace:: `~astropy.coordinates.Longitude` | |
| .. |Latitude| replace:: `~astropy.coordinates.Latitude` | |
| .. |baseframe| replace:: `~astropy.coordinates.BaseCoordinateFrame` | |