Z-One Observatory

Z-One observatory is located just about 100 miles North of Los Angeles, California at an elevation of roughly 6,000 ft. It’s a fairly small 10 ft x 10 ft roll-off-roof type, wood construction and a 14″ concrete pier.




Z-One Webcam (Live):

Z-One Webcam

Roll-off roof opening:

Light Pollution:



Clear Sky Chart (for Mount Pinos, California):

ZT Night Watcher – All Sky Camera:

ZT Night Watcher – Seeing Meter:

Build log:


  • Planning: August 2013
  • Foundations/Pier: Started September 2013
  • Structure: Started October 2013
  • Roof: Started January 2014
  • Completed: June 2014

Leave a Reply

Your email address will not be published. Required fields are marked *

Anti-Spam *