NSSDC 69-05, Beeler and Michlovitz, June 1969
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The primary purpose of this Data User's Note is to announce the availability of Lunar Orbiter 1-5 pictorial data and to aid the investigator in the selection of Lunar Orbiter photographs for study. In addition, this Note can give some guidance to the interpretation of the pictures. As background information, the Note includes a breif description of the mission objectives and the photographic subsystem. The National Space Science Data Center (NSSDC) can provide all forms of photographs described in the section on Format of Available Data. It is recommended however, that the user frst order the 35-mm film to facilitate selection of those frames for which high-quality reproductions are needed.