| Elevation | float | Geographic elevation of a ground-based instrument [meter] | |
| InstrumentName | str | Name of the instrument [None] | |
| Latitude | float | Geographic latitude of a ground-based instrument [degree] | |
| Longitude | float | Geographic longitude of a ground-based instrument [degree] | |
| ObservatoryName | str | Name of the observatory in which the telescope resides [necessary?] | |
| TelescopeName | str | Name of the telescope on which the instrument is mounted [None] | |
| Timezone | float | Timezone of a ground-based instrument [hour] | |
