Building an Observatory Part 1
15:15
Building an Observatory Part 2
21:51
Building an Observatory Part 5
10:39
Remote observatory / Astrophoto à distance
9:36
Mini-Ex Digging through frost! Yeah right, it can't be done. Thawing frozen ground?
5:58
Skyshed Roll-off Roof Observatory Tour
11:32
Jay Sottolano’s Dream Roll-Off Roof Observatory (Observatory Tours #2)
19:38
Building an Observatory Part 3
15:45