Active areas
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 1313 | S13 | E66 | 12 | 0090 | Beta | Oct 12, 2011 | Oct 19, 2011 | Nov 1, 2011 |
| № 1312 | N23 | E60 | 01 | 0220 | Alpha | Oct 12, 2011 | Oct 18, 2011 | Nov 1, 2011 |
| № 1311 | S11 | E08 | 06 | 0110 | Beta | Oct 8, 2011 | Oct 14, 2011 | Oct 28, 2011 |
| № 1310 | S32 | W09 | 06 | 0025 | Beta | Oct 6, 2011 | Oct 13, 2011 | Oct 28, 2011 |
| № 1309 | N24 | E29 | 03 | 0160 | Beta | Oct 9, 2011 | Oct 16, 2011 | Oct 30, 2011 |
| № 1307 | N17 | W12 | 02 | 0005 | Beta | Oct 6, 2011 | Oct 13, 2011 | Oct 27, 2011 |
| № 1306 | N14 | W46 | 01 | 0015 | Alpha | Oct 3, 2011 | Oct 10, 2011 | Oct 24, 2011 |
| № 1305 | N10 | W64 | 04 | 0250 | Beta | Oct 2, 2011 | Oct 9, 2011 | Oct 22, 2011 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1982, January to 2011, October. Gray background - average solar cycle.
