Extreme ultraviolet heliograms and the sun's corona
Design of spectroheliograph to detect solar corona
Koomen, M. J.↗
Engineering topics
Publications and source records attributed to Koomen, M. J..
Design of spectroheliograph to detect solar corona
Gemini IX airglow horizon photography experiment
F and K corona observations by rocket coronagraph during solar eclipse
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White light solar corona observations by rocketborne photographic and photoelectric coronagraphs