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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 9, 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 | S26 | W68 | 02 | 0030 | Beta | Mar 5, 2011 | Mar 12, 2011 | Mar 26, 2011 |
| № 1169 | N19 | E31 | 11 | 0170 | Beta | Mar 12, 2011 | Mar 19, 2011 | Apr 2, 2011 |
| № 1167 | N13 | W36 | 01 | 0010 | Alpha | Mar 7, 2011 | Mar 14, 2011 | Mar 28, 2011 |
| № 1166 | N11 | W01 | 35 | 0550 | Beta-Gamma-Delta | Mar 10, 2011 | Mar 17, 2011 | Mar 30, 2011 |
| № 1165 | S18 | W92 | 05 | 0200 | Beta-Gamma-Delta | Mar 3, 2011 | Mar 10, 2011 | Mar 24, 2011 |
| № 1164 | N23 | W71 | 23 | 0580 | Beta-Gamma-Delta | 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.
