Open Access
Table 1
The coordinates of observatories Clementinum and Greenwich according to information on the web page of the International Service of Geomagnetic Indices. The geomagnetic latitude and longitude are the corrected geomagnetic coordinates referred to epoch 2015.5.
| Coordinates | Clementinum | Greenwich | |
|---|---|---|---|
| Geographic | Latitude | 50.08° N | 51.48° N |
| Longitude | 14.42° E | 00.00° E | |
| Geomagnetic | Latitude | 49.42° N | 53.18° N |
| Longitude | 98.50° E | 84.96° E | |
| Altitude | 200 m | 50 m | |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.