PROCEEDINGS OF A CONFERENCE ON PROBLEMS OF LUNAR TOPOGRAPHY, HELD AT BAGNERES-DE-BIGORRE BETWEEN APRIL 19TH AND 23RD, 1960
Abstract
Consideration was given to some basic problems of lunar surface mapping encountered in connection with the current charting of the Moon by the U. S. Air Force. As a result of the discussions, it was recommended (1) to reduce anew all past heliometric observations of the crater Mosting A by a standard procedure which should improve our present knowledge of the libration constants of the Moon; (2) to set up, on the Moon, a system of 100-200 control points of second-order, defined by the positions of small craters (5-10 kms in diameter) which are sufficiently shallow and geometrically well-defined to enable us to measure their positions with sufficient accuracy; (3) to employ the lunar plates taken with the Markovitz cameras in the course of the recent IGY to determine the positions of such craters with respect to a fundamental frame of reference as represented by the neighbouring stars, in order to determine their absolute three-dimensional coordinates with respect to the Moon's centre; (4) to use the standard shadow method for the determination of relative heights above the osculating surface of the mean selenoid, between three or more adjacent points of secondorder; and (5) to employ purely photometric methods for the measurement of small gradients for contour maps of the Moon. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- May 01, 1961
- Accession Number
- AD0277724
Entities
People
- Ellen B. Finlay
- Zdenek Kopal
Organizations
- Air Force Cambridge Research Laboratories