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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 7, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1169 | N21 | E56 | 04 | 0030 | Beta | Mar 12, 2011 | Mar 19, 2011 | Apr 2, 2011 |
| № 1167 | N09 | W09 | 02 | 0020 | Beta | Mar 7, 2011 | Mar 14, 2011 | Mar 28, 2011 |
| № 1166 | N11 | E27 | 16 | 0360 | Beta-Gamma | Mar 10, 2011 | Mar 17, 2011 | Mar 30, 2011 |
| № 1165 | S20 | W68 | 21 | 0200 | Beta | Mar 3, 2011 | Mar 10, 2011 | Mar 23, 2011 |
| № 1164 | N24 | W46 | 25 | 0640 | Beta-Gamma-Delta | Mar 4, 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.
