Plan of the observatory


Gregory-Coudé, evacuated, primary mirror has a diameter of 45 cm, total focal length: 25 m.


Czerny-Turner, focal length: 10 m, grating 180 mm x 360 mm, 316 lines / mm, blaze 63°.


Zurich IMaging Polarimeter (ZIMPOL). Sensitivity can reach 0.001%.

Fabry-Perot filter system:

Tunable narrow-band filter system based on two lithium-niobate Fabry-Perot etalons. It allows monochromatic imaging at any wavelength from 395 nm to 660 nm.

Adaptive optic system:

Tip-tilt and deformable mirror with 37 actuators.


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