Otranburgo National Astronomical Observatory




Otranburgo National Astronomical Observatory


O.A.O (Otranburgo Astronomical Observatory) is the national center for ground-based nighttime astronomy in Otranburgo and is operated by the Theodorus Space Agency (T.S.A.), under cooperative agreement with the Theodorus Academy of Sciences.

INSTRUMENTS

  • Achromatic Refractor Objective diameter 50 mm
  • Sakura 10x60 mm binoculars
Telescope Refractor 50 mm
Rifractor 50 mm

Achromatic Refractor
Objective diameter 50 mm
Focal Length: 500 mm Focal Ratio f/10
Wooden tripod
Huygens a 9 mm eyepiece (55x) diameter 0965"
A Huygens eyepiece 12.5 mm (40x) diameter 0965"
A Huygens eyepiece 25 mm (20x) diameter 0965"
2x Barlow lens diameter 0.965"
Optex 48 mm UV filter.
6x30 finder
Altazimuth mount 90° diagonal mirror 0.965"

Adapter for use eyepiece 1.25"
(from 0965 "to 1.25")
 Sakura binoculars