Observatory Control Using Ultrasonic Sensors.
17:26
Observatory Automation Part Two 'The Electrics'
17:12
Permanent Periodic Error Correction
12:02
Edge HD Hyperstar Conversion and Pleaides Cluster
27:44
Restauration de la machine Naumann à vapeur vive de 1929 - Fonctionnera-t-elle à nouveau ?
10:31
$800 duel-17 harmonic mount: Clearsky ST17
7:27
Cleaning my optical system
23:41
I Accidentally Photographed Something Unknown During the Eclipse - Smarter Every Day 298
11:52