path:
off
on
constellation:
Bootes
Canis Major
Carina
Centaurus
Draco
Gemini
Leo
Lyra
Orion
Pleiades
Scorpius
Taurus
Ursa Major
Ursa Minor
time step (years):
10.0
20.0
50.0
100.0
200.0
500.0
1000.0
2000.0
5000.0
10000.0
direction:
future
past
time (years):
display width (deg):