Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984asmd.conf..317g&link_type=abstract
In NASA. Goddard Space Flight Center Astron. Microdensitometry Conf. p 317-328 (SEE N84-28020 18-35)
Astronomy and Astrophysics
Astronomy
Astronomical Photography, Data Acquisition, Image Processing, Microdensitometers, Photodiodes, Arrays, Photographic Plates, Random Access Memory, Rates (Per Time), Scanning
Scientific paper
A 256 diode-array will be installed as detector on the ESO OPTRONICS S-3000 measuring machine in order to increase the acquisition rate. A high intensity LED will be used as light source in a pulse mode. The data will be stored on a random access mass storage device as density values for later education. The scanning time for a 30 cm x 30 cm plate with a step size of 10 micron will be less than 10 hours while the dynamic range of the data is expected to be 2.5 density units with an offset of at least 1 unit.
Grosboel P. J.
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