Abstract

Preliminary results are described of a program of detailed high-resolution lunar photoelectric photometry. A three-beam photoelectric photometer designed specifically for lunar colorimetric studies is described briefly. Experiments designed to measure short time variations in lunar luminescence gave negative results. This is attributed to lack of solar activity. Photoelectric measurements during the lunar eclipse of June 25, 1964 at wavelengths λ 5450 Å, λ 6714 Å, and λ 7889 Å are discussed. It is proposed to produce detailed color index contour maps of the Moon.

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