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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 10, 2011. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 1170 | S25 | W80 | 06 | 0050 | Beta | Mar 5, 2011 | Mar 12, 2011 | Mar 26, 2011 |
| № 1169 | N20 | E18 | 22 | 0220 | Beta-Gamma | Mar 12, 2011 | Mar 19, 2011 | Apr 2, 2011 |
| № 1166 | N09 | W12 | 55 | 0630 | Beta-Gamma-Delta | Mar 10, 2011 | Mar 17, 2011 | Mar 30, 2011 |
| № 1164 | N23 | W84 | 09 | 0350 | Beta-Gamma | Mar 5, 2011 | Mar 11, 2011 | Mar 25, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to March 2011. The gray background is the average SSN index.
