The objective of the Specular Point-like Quick Reference (SPQR) experiment was to evaluate the possibility of improving the resolution of ground-based telescopic imaging of manned spacecraft in orbit. The concept was to reduce image distortions due to atmospheric turbulence by evaluating the Point Spread Function (PSF) of a point-like light reference and processing the spacecraft image accordingly. The target spacecraft was the International Space Station (ISS) and the point-like reference was provided by a laser beam emitted by the ground station and reflected back to the telescope by a Cube Corner Reflector (CCR) mounted on an ISS window. The ultimate objective of the experiment was to demonstrate that it is possible to image spacecraft in Low Earth Orbit (LEO) with a resolution of 20 cm, which would have probably been sufficient to detect the damage which caused the Columbia disaster. The experiment was successfully performed from March to May 2005. The paper provides an overview of the SPQR experiment.


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    Titel :

    The SPQR experiment: detecting damage to orbiting spacecraft with ground-based telescopes


    Weitere Titelangaben:

    Das SPQR-Experiment: Nachweis von Schädigungen an Raumschiffen in der Umlaufbahn mit Bodenteleskopen


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    2007


    Format / Umfang :

    5 Seiten, 6 Bilder, 11 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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    Spacecraft temperature monitoring by ground-based telescopes

    Chabourov, P. N. | British Library Online Contents | 1997