Northern lights reflected off Cayuga Lake | Steward Park in Ithaca, NY

Milky Way | Mt. Bigelow, Arizona | Taken while I was observing on the Large Binocular Telescope

Kitt Peak Observatory | AZ

Venus Transit | Summer 2012 | Mt Lemmon, AZ

Moon

Orion | Ithaca, NY

The Great American Eclipse | Yellowstone National Park, WY

Star trails in the mirror of the MMT | Mt Hokpkins, AZ

Apache Point Observatory Lunar Laser-ranging Operation | Sunspot, NM

61" Telescope | While observing exoplanet transits | Mt. Bigelow, Arizona

Jupiter and the Large Binocular Telescope

Northern Lights in Norway

Star trails visible through the night sky with trees and building silhouetted in the foreground.

Jupiter, Venus, and 61" Kuiper Telescope | Mt. Bigelow, AZ

Sunset | Kitt Peak, AZ

Moon and Comet | Tucson, AZ