Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1157 | N22 | E36 | 03 | 0010 | Beta | Feb 13, 2011 | Feb 20, 2011 | Mar 6, 2011 |
| № 1156 | S19 | E43 | 06 | 0010 | Beta | Feb 13, 2011 | Feb 20, 2011 | Mar 6, 2011 |
| № 1155 | N17 | E26 | 03 | 0010 | Beta | Feb 12, 2011 | Feb 19, 2011 | Mar 5, 2011 |
| № 1154 | N08 | W51 | 01 | 0010 | Alpha | Feb 6, 2011 | Feb 13, 2011 | Feb 26, 2011 |
| № 1153 | N15 | W71 | 08 | 0080 | Beta | Feb 5, 2011 | Feb 11, 2011 | Feb 25, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to February 2011. The gray background is the average SSN index.
