Research Article
Coronal Holes in Global Complexes of Activity
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First period: rotations 1954–1974 (Sept. 1999–Dec. 2001) |
Second period: rotations 1997–2010 (Nov. 2002–Dec. 2003) |
| | All AR | AR near CH | All AR | AR near CH | Total area | 41804 | 24462 (63.3%) | 21034 | 17049 (81.1%) | Total number of ARs | 284 | 186 (65.5%) | 147 | 111 (75.5%) |
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