Astrophotography

Kitt_Peak_lighten

Star trails over the 4-meter Mayall telescope at Kitt Peak National Observatory

moon

Lunar eclipse

IMG_5831crossmoon

Venus_Transit2

Venus transit

supermoon_irc

Supermoon

Lovejoy_BigDipper_Labels

A comet passes through Ursa Major

IMG_4150_mw_enh

The Milky Way arching overhead

IMG_3304_labels

Planetary conjunction

M13-Final-RGB

Star cluster