Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 30, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1151 | N11 | W69 | 01 | 0005 | Alpha | Jan 26, 2011 | Feb 1, 2011 | Feb 15, 2011 |
| № 1150 | S22 | E52 | 06 | 0020 | Beta | Feb 4, 2011 | Feb 11, 2011 | Feb 25, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to January 2011. The gray background is the average SSN index.
