Description: A daily photo highlight from Smithsonian collections. [caption id="" align="aligncenter" width="422" caption="The operation of the Baker-Nunn camera, located at the Smithsonian Station in Shiraz, Iran, is explained to Mohammed Reza Pahlavi, Shah of Iran, April 26, 1959, by Smithsonian Astrophysical Observatory, Photographic print, Smithsonian Institution Archives, Record Unit
Description: A daily photo highlight from Smithsonian collections. [caption id="" align="aligncenter" width="412" caption="Volunteer satellite trackers in Pretoria, South Africa, for Smithsonian Astrophysical Observatory's Moonwatch Network, one of more than 100 teams worldwide, 1965, by Unknown photographer, Photographic print, Smithsonian Institution Archives, Record Unit 371 Box 4