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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1313 | S16 | E40 | 06 | 0140 | Beta | Oct 12, 2011 | Oct 19, 2011 | Nov 1, 2011 |
| № 1312 | N22 | E36 | 01 | 0320 | Alpha | Oct 12, 2011 | Oct 19, 2011 | Nov 1, 2011 |
| № 1311 | S11 | W21 | 02 | 0050 | Beta | Oct 7, 2011 | Oct 14, 2011 | Oct 28, 2011 |
| № 1310 | S34 | W37 | 01 | 0010 | Alpha | Oct 6, 2011 | Oct 13, 2011 | Oct 28, 2011 |
| № 1309 | N23 | E03 | 04 | 0080 | Beta | Oct 9, 2011 | Oct 16, 2011 | Oct 30, 2011 |
| № 1306 | N15 | W72 | 03 | 0010 | Alpha | Oct 3, 2011 | Oct 10, 2011 | Oct 24, 2011 |
| № 1305 | N11 | W90 | 01 | 0180 | Alpha | Oct 2, 2011 | Oct 9, 2011 | Oct 23, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to October 2011. The gray background is the average SSN index.
