Utente:Italianmitch/Sandbox

Animation showing how celestial and geographic coordinates are mapped on an astrolabe's tympan through a stereographic projection. Hypothetical tympan (40 degrees North Latitude) of a 16th century Europenan planispheric astrolabe.

Test placement. Italianmitch (msg) 22:46, 24 nov 2015 (CET)