Generally used for popular-educational activities and Sun Spot observations

Technical Specifications

Diameter: 150 mm
Focal ratio:
Focal length: 2250 mm
Image scale:
92 arcsec/mm
Manufacturer: ZEISS-Oberkochen, Württemberg


Focal Plane Instruments

• Solar projection lens and screen for Sun spot observations
• Contarex photo camera
• Lyott H-alpha monochromator
• Various filters and eye-pieces