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A digital imaging photometry system for cometary data acquisitionThis report describes a digital imaging photometry system developed in the Space Science Laboratory at the Marshall Space Flight center. The photometric system used for cometary data acquisition is based on an intensified secondary electron conduction (ISEC) vidicon coupled to a versatile data acquisition system which allows real-time interactive operation. Field tests on the Orion and Rosette nebulas indicate a limiting magnitude of approximately m sub v = 14 over the 40 arcmin field-of-view. Observations were conducted of Comet Giacobini-Zinner in August 1985. The resulting data are discussed in relation to the capabilities of the digital analysis system. The development program concluded on August 31, 1985.
Document ID
19860022901
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Clifton, K. S. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Benson, C. M. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Gary, G. A. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
September 5, 2013
Publication Date
July 1, 1986
Subject Category
Astronomy
Report/Patent Number
NASA-TM-86554
NAS 1.15:86554
Accession Number
86N32373
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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