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The Ernst Hartwig Telescope

The 50 cm Planewave CDK Telescope located in the eastern dome is named Ernst-Hartwig-Telescope (EHT), after Ernst Hartwig, the first director of the Remeis Observatory. It was mounted on a 10Micron 4000 HPS mount in September 2013.

For the readers interested in the technical details:

  • corrected Dall Kirkham type (CDK)
  • spherical primary-, elliptical secondary mirror
  • full compensation of aberrations
  • focal length 3454 mm
  • aperture ratio f/6.8

From the 1960s until the procurement of the EHT, no scientific observations could be performed directly at Remeis Observatory. With the new instrumentation, it is possible to revive a local scientific observation program. So far the EHT has been used for searching exoplanets with the timing method and as the main instrument for the MAPLE project.