No image for the selected date
Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 12, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1159 | N18 | E26 | 02 | 0010 | Alpha | Feb 15, 2011 | Feb 22, 2011 | Mar 8, 2011 |
| № 1158 | S19 | E25 | 05 | 0040 | Beta | Feb 15, 2011 | Feb 22, 2011 | Mar 8, 2011 |
| № 1157 | N18 | W04 | 02 | 0010 | Beta | Feb 13, 2011 | Feb 20, 2011 | Mar 5, 2011 |
| № 1156 | S21 | W06 | 05 | 0040 | Beta | Feb 13, 2011 | Feb 19, 2011 | Mar 5, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to February 2011. The gray background is the average SSN index.
