Horizontal Heavens Observatory "...From  A Galaxy Far, Far Away"
Clear Sky Chart  

This page was last updated on 10/08/14.

Mountain Instruments 250 Mount (click on image to enlarge)

Newest PemPro Periodic Error Correction (PEC) is down to 1.49 arc.sec!  

NOTE: This latest PemPro run was conducted with the 10" LX200R at focal length of 1875mm, f/7.5 or 0.75 arc.sec/pixel.

Periodic Error Curve with NO PEC correction.  *Click on image to enlarge