Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 8, 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 | N20 | E44 | 07 | 0050 | Beta | Mar 12, 2011 | Mar 19, 2011 | Apr 2, 2011 |
| № 1167 | N15 | W18 | 02 | 0010 | Beta | Mar 8, 2011 | Mar 14, 2011 | Mar 28, 2011 |
| № 1166 | N11 | E12 | 25 | 0410 | Beta-Gamma-Delta | Mar 10, 2011 | Mar 17, 2011 | Mar 30, 2011 |
| № 1165 | S20 | W78 | 18 | 0420 | Beta-Gamma-Delta | Mar 3, 2011 | Mar 10, 2011 | Mar 24, 2011 |
| № 1164 | N24 | W59 | 20 | 0760 | 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.