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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1330 | N04 | E67 | 05 | 0210 | Beta | Oct 29, 2011 | Nov 5, 2011 | Nov 18, 2011 |
| № 1329 | S29 | W54 | 01 | 0010 | Alpha | Oct 20, 2011 | Oct 27, 2011 | Nov 10, 2011 |
| № 1328 | N17 | W05 | 03 | 0010 | Beta | Oct 24, 2011 | Oct 30, 2011 | Nov 13, 2011 |
| № 1327 | S21 | W14 | 11 | 0130 | Beta | Oct 23, 2011 | Oct 30, 2011 | Nov 13, 2011 |
| № 1325 | N15 | E44 | 08 | 0180 | Beta | Oct 27, 2011 | Nov 3, 2011 | Nov 17, 2011 |
| № 1324 | N10 | E15 | 28 | 0280 | Beta-Gamma | Oct 25, 2011 | Nov 1, 2011 | Nov 14, 2011 |
| № 1323 | N25 | W10 | 01 | 0010 | Alpha | Oct 23, 2011 | Oct 30, 2011 | Nov 13, 2011 |
| № 1319 | N13 | W88 | 05 | 0040 | Beta | Oct 17, 2011 | Oct 24, 2011 | Nov 7, 2011 |
| № 1317 | S25 | W76 | 01 | 0050 | Alpha | Oct 18, 2011 | Oct 25, 2011 | Nov 8, 2011 |
| № 1314 | N29 | W92 | 01 | 0090 | Alpha | Oct 17, 2011 | Oct 24, 2011 | Nov 7, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to October 2011. The gray background is the average SSN index.
