#siderealday

The Christiaan van der Klaauw Orion is equipped with a so-called planisphere, a rotating starry sky that turns around every 23 hours, 56 minutes and 4,0916 seconds, giving you the correct view of the stars and constellations above you as seen from most positions on the northern hemisphere. ✨ .
#christiaanvanderklaauw #cvdklaauw #cvdk #orion#starchart #siderealday #siderealtime #astronomy#handmade #art #ahci #hautehorlogerie ・・・ #Repost @christiaanvanderklaauw with @get_repost

this would be awesome.