Mt. Lemmon SkyCenter
2016-04
Mt. Lemmon Observatories
40-inch robotic telescope
2016-04
The Korea Astronomy and Space Science Institute
32 inch Schulman telescope
2016-04
The 32 inch Schulman telescope
32 inch Schulman telescope
2016-04
The 32 inch Schulman telescope
Height-Finder Radar Tower
2016-04
Former AN/FPS-6 Height-Finder Radar Tower
SkyCenter
2016-04
SkyCenter
32 inch Schulman telescope
2016-04
The 32 inch Schulman telescope
SkyCenter at night
2016-04
Sky Nights Observing Program
Tucson Sunset
2016-04
Tucson Sunset from Mt. Lemmon