Lost Pleiad Observatory

I just returned from 3 nights attending to my favorite dark-sky astronomy activity...a new moon trip to Portal, AZ hosted by my good friend ...

Yesterday saw the planet Mercury transit the face of the Sun from our unique perspective here on earth.  Slightly more common than a Venus t...

Inspired by several time lapse videos that I have seen of astronomical events, ( including this one by Dean Ketelsen  made last week) I piec...

Image Credit Dean Ketelsen Working in education and public outreach in the Department of Astronomy's Steward Observatory at the Univ...