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11 July 2008 AstraLux: the Calar Alto lucky imaging camera
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Abstract
AstraLux is the Lucky Imaging camera for the Calar Alto 2.2-m telescope, based on an electron-multiplying high speed CCD. By selecting only the best 1-10% of several thousand short exposure frames, AstraLux provides nearly diffraction limited imaging capabilities in the SDSS i' and z' filters over a field of view of 24×24 arcseconds. By choosing commercially available components wherever possible, the instrument could be built in short time and at comparably low cost. We present the instrument design, the data reduction pipeline, and summarise the performance and characteristics.
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Felix Hormuth, Stefan Hippler, Wolfgang Brandner, Karl Wagner, and Thomas Henning "AstraLux: the Calar Alto lucky imaging camera", Proc. SPIE 7014, Ground-based and Airborne Instrumentation for Astronomy II, 701448 (11 July 2008); https://doi.org/10.1117/12.787384
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