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Solar activity during Skylab: its distribution and relation to coronal holes

Technical Report ·
OSTI ID:6537969
Solar active regions observed during the period of Skylab observations (May 1973-February 1974) were examined for properties that varied systematically with location on the sun, particularly with respect to the location of coronal holes. Approximately 90 percent of the optical and X-ray flare activity occurred in one solar hemisphere (136-315 heliographic degrees longitude). Active regions within 20 heliographic degrees of coronal holes were below average in lifetimes, flare production, and magnetic complexity. Histograms of solar flares as a function of solar longitude were aligned with H alpha synoptic charts on which active region serial numbers and coronal hole boundaries were added.
Research Organization:
National Aeronautics and Space Administration, Huntsville, AL (USA). George C. Marshall Space Flight Center
OSTI ID:
6537969
Report Number(s):
N-78-22994; NASA-TM-78166
Country of Publication:
United States
Language:
English