NSSDC 69-05, Beeler and Michlovitz, June 1969 Download document (2.7 MB PDF) 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 … Continue reading Data User’s Note: Lunar Orbiter Photographic Data