Astrophotography by Mark Hanson
31.0700° N, -119.4000° W "Stellar Winds Observatory" at Dark Sky New Mexico 4406ft
37.9440° N, -108.8076° W "SRO" California 4610ft
-30.1652 S 40° N, 70.815 W "SSRO" CTIO, Chile 7267ft
All Images Copyright Mark Hanson ©2002-2017