Physics – Optics
Scientific paper
Jan 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986spie..627..256r&link_type=abstract
IN: Instrumentation in astronomy VI; Proceedings of the Meeting, Tucson, Az, Mar. 4-8, 1986. Part 1 (A87-36376 15-35). Bellingha
Physics
Optics
Astronomical Observatories, Data Acquisition, Image Processing, Pixels, Solar Oscillations, Arrays, Charge Coupled Devices, Data Processing, Doppler Effect, Helioseismology, Magneto-Optics
Scientific paper
The 1-Mpixel image acquisition and processing system that has been installed at the Mt. Wilson observatory as part of the development effort for the NASA/ESA Solar Oscillations Imager Experiment of the projected Heliospheric Observatory mission is discussed. The system encompasses a high speed CCD camera with a 1024 x 1024-pixel virtual phase chip array, yielding a readout rate of about 800,000 pixels/sec; this allows the entire Mpixel array to be read out in just over 1 sec. The camera is interfaced with a floating point array processor that integrates several successive exposures from the CCD camera and differences selected pairs of integrated images. The system is currently being used to record and difference narrowband images of the sun.
Bursch Thomas K.
Rhodes Edward J. Jr.
Tomczyk Steven
Ulrich Roger K.
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