Index - H
| hAltitude | Data.Astro.Coordinate |
| haToRA | Data.Astro.Coordinate |
| hAzimuth | Data.Astro.Coordinate |
| HC | Data.Astro.Coordinate |
| hcToEC1 | Data.Astro.Coordinate |
| hmsToGST | Data.Astro.Time.Sidereal |
| hmsToLST | Data.Astro.Time.Sidereal |
| HorizonCoordinates | Data.Astro.Coordinate |
| horizonToEquatorial | Data.Astro.Coordinate |