Abstract
A preliminary determination has been made of the photometric properties of the lunar surface from high–resolution pictures received from the Surveyor I spacecraft. Several target areas were chosen at selected locations around the spacecraft, and photometric measurements were taken with the television camera throughout the lunar day. Surveyor I data agree within ±20% with the terrestrially observed photometric properties. Initial examination of the data indicates no anomalies of the photometric properties of homogeneous areas on scales greater than 6 cm in diameter. Luminance factors were estimated from the observed data and ranged from 7.0% to 7.5% for more than 91% of the area; however, values of 5% to 25% were recorded in some locations. The chromaticity coordinates of the disturbed area near one of the footpads were found to be very close to natural sunlight on a gray paint. A preliminary estimate of the spectral radiance factor of this area is given, using an eigenvector-analysis technique. The spacecraft characteristics, viewing geometry, and ground-recording techniques are included, along with a brief description of errors.
© 1968 Optical Society of America
Full Article | PDF ArticleCorrections
J. J. Rennilson, H. E. Holt, and E. C. Morris, "Erratum: In Situ Measurements of the Photometric Properties of an Area on the Lunar Surface," J. Opt. Soc. Am. 58, 1545-1545 (1968)https://opg.optica.org/josa/abstract.cfm?uri=josa-58-11-1545
More Like This
J. J. Rennilson, H. E. Holt, and E. C. Morris
J. Opt. Soc. Am. 58(11) 1545-1545 (1968)
Chao Chen, Qiming Qin, Li Chen, Hong Zheng, Wenzhe Fa, Abduwasit Ghulam, and Chengye Zhang
J. Opt. Soc. Am. A 32(12) 2409-2422 (2015)
K. Singh and B. N. Gupta
J. Opt. Soc. Am. 58(5) 664-668 (1968)