Bochum – UCN
The observatory is located at an altitude of 2817 m in the immediate vicinity of Cerro Armazones, which has recently been selected by the European Southern Observatory (ESO) for construction of the next-generation telescope E-ELT (European Extra Large Telescope).
The observatory is operated exclusively by solar and wind energy and hosts the following telescopes:
The Hexapod-Telescope is a Ritchey-Chrétien system with 1.5 m active mirror and a unique mount consisting of six length-variable legs. This mount allows movements in all 6 degrees of freedom. In particular, the telescope can reach any elevation above 30 degrees and can be rotated around the optical axis by about ± 45 degrees. The secondary is also fixed by a movable hexapod which allows stabilizing the optical path for each pointing direction.
IRIS (InfraRed Imaging System)
IRIS is an 80 cm alt-azimuth telescope with two Nasmyth foci that can be reached via a computer-controlled movable third mirror. IRIS is equipped with a 1 x 1 k infrared camera optimized for the NIR region; there are various broad and narrow band filters between 1.1 and 2.5 µ. The optical system provides a resolution of 0.74″/pixel and a field-of-view of 13’ x 13′; the limiting magnitude is about K ~ 16. Thus IRIS exceeds the capabilities of 2MASS.
BMT is a 40 cm Coudé telescope on an equatorial fork mount. It is equipped with a SBIG 3072 x 2048 pixels CCD camera, providing a 41.2′ x 27.5′ field of view. The telescope is currently in a commissioning phase which will result in a fully robotic operation.
RoBoTT consists of two 15 cm refractor telescopes (Takahashi© TOA-150F Ortho-Apochromat Triplet) on a common German equatorial mount (Bisque Paramount ME™ Robotic Telescope System). Both telescopes are equipped with an Apogee Alta U16M 4096 x 4096 pixels CCD camera each, providing a 2°42′ x 2°42′ field of view in two filters simultaneously. There is a huge variety of broad and narrow band filters, including Johnson and Sloan filters. VYSOS 6 is operated robotically.
BEST II is an automatic telescope with 25 cm aperture on a German equatorial mount, dedicated to photometric measurements of stellar intensity variations. The prime use of the system is robotic observational ground-based support of the COROT space mission.
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