Accession Number : AD0445245


Title :   AN AURORAL PHOTOMETER FOR THE I.Q,S.Y.


Corporate Author : NATIONAL RESEARCH COUNCIL OF CANADA OTTAWA (ONTARIO) RADIO AND ELECTRICAL ENGINEERING DIV


Personal Author(s) : Watson, M D


Report Date : 12 May 1964


Pagination or Media Count : 9


Abstract : A description is given of a simple auroral photometer which is intended to be used in an extended program of auroral photometry during and after the International Years of the Quiet Sun. Absolute auroral intensities will be measured at four wavelengths and recorded on a logarithmic scale. The instrument incorporates a precision timer and automatic control circuits, and is designed for relatively unattended operation.


Descriptors :   *PHOTOMETERS , INTENSITY , BRIGHTNESS , INSTRUMENTATION , AUTOMATIC , LINE SPECTRA , OPTICAL INSTRUMENTS , CONTROL SYSTEMS , AURORAE


Subject Categories : Test Facilities, Equipment and Methods


Distribution Statement : APPROVED FOR PUBLIC RELEASE