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Harvard College Observatory, The First Century
Some Firsts in Astronomical Photography
Solar Satellite Project: SO55A Experiment Handbook, UV Scanning Polychromator Spectroheliometer, Apollo Telescope Mount/Skylab
Solar Satellite Project: S-055A Scanning Polychromator and Spectroheliometer, EUV Calibration Test 19001, October 12-15, 1971. Report, Analysis, and Critique
Solar Satellite Project: An Extreme Ultraviolet Spectroheliometer for the Apollo Telescope Mount
Center for Astrophysics: The Extreme-Ultraviolet Spectroheliometer on ATM
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