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CaII K imaging to understand UV irradiance variability

✍ Scribed by R. Kariyappa


Book ID
110636438
Publisher
Springer-Verlag
Year
2000
Tongue
English
Weight
387 KB
Volume
21
Category
Article
ISSN
0250-6335

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We have digitized the Ca II K spectroheliograms, observed at the National Solar Observatory at Sacramento Peak, for the period 1980 (maximum of solar cycle 21), 1985 (minimum of solar cycle 21), 1987 (beginning of the ascending phase of solar cycle 22), 1988 and 1989 (ascending phase and maximum of