Hello!! It's Joseph

Using "ring and tube" design Hyperbolic lightweight mirror 

700mm f/8 RC Officina Stellare LaClefdesetoiles The New Era: 0.7m Robotic Observatory On March 1, 2026, the historic 0.5m DFM telescope was decommissioned to make way for the next genera tion of astronomical tools. The Facility: 0.7m Officina Stellare Ritchey-Chrétien Reflector. The Technology: A fully robotic and remote-controllable system.

 Now in prototype phase 22KG Price 2x,xxx RMB

  Hard water for good coffee?

Location: 興隆萬象(遙控)天文台 該天文台位於承德興隆觀測基地周邊，該基地的官方地理座標為：     北緯 (N)：40° 23' 36"     東經 (E)：117° 34' 30" (或 117° 34.5') Bortle 3 to 4 Familystar 小紅書 Google map Day 1 Raw, unprocessed  Day 2

To commemorate 45th anniversary of DOS fanfold printout fyom Tim Paterson    Redmondmag Blog on the adventure. It's like archeology in computer era ;) Twitter   GitHub