NASA NTRS · 19690000656
Solar activity history model
Abstract
Solar activity model provides information on plages, sunspots, filaments, and flares. The model enables scheduling, which will indicate the time periods when solar experiments can be conducted. Data were collected at various locations throughout the world and recorded on tape for the computer.
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Mc Kowen, P.. 1969-12-01. Solar activity history model. https://ntrs.nasa.gov/citations/19690000656
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