Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 19, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1324 | N10 | E65 | 12 | 0110 | Beta | Oct 25, 2011 | Nov 1, 2011 | Nov 14, 2011 |
| № 1323 | N24 | E43 | 02 | 0020 | Beta | Oct 23, 2011 | Oct 30, 2011 | Nov 13, 2011 |
| № 1322 | S27 | W91 | 01 | 0030 | Alpha | Oct 13, 2011 | Oct 20, 2011 | Nov 3, 2011 |
| № 1321 | S14 | E11 | 06 | 0030 | Beta | Oct 21, 2011 | Oct 28, 2011 | Nov 10, 2011 |
| № 1319 | N11 | W37 | 19 | 0280 | Beta-Gamma | Oct 17, 2011 | Oct 24, 2011 | Nov 6, 2011 |
| № 1318 | N19 | W83 | 02 | 0040 | Beta | Oct 14, 2011 | Oct 20, 2011 | Nov 3, 2011 |
| № 1317 | S27 | W23 | 01 | 0050 | Alpha | Oct 18, 2011 | Oct 25, 2011 | Nov 8, 2011 |
| № 1316 | S12 | W35 | 07 | 0140 | Beta | Oct 17, 2011 | Oct 24, 2011 | Nov 7, 2011 |
| № 1314 | N26 | W41 | 04 | 0240 | Beta | 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.
