No image for the selected date
Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 1, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1307 | N14 | E50 | 03 | 0030 | Beta | Oct 6, 2011 | Oct 12, 2011 | Oct 26, 2011 |
| № 1306 | N13 | E22 | 01 | 0040 | Alpha | Oct 4, 2011 | Oct 10, 2011 | Oct 24, 2011 |
| № 1305 | N12 | E03 | 09 | 0130 | Beta-Gamma | Oct 2, 2011 | Oct 9, 2011 | Oct 22, 2011 |
| № 1302 | N13 | W27 | 25 | 0750 | Beta-Gamma-Delta | Sep 30, 2011 | Oct 7, 2011 | Oct 20, 2011 |
| № 1301 | N16 | W74 | 01 | 0020 | Alpha | Sep 26, 2011 | Oct 3, 2011 | Oct 17, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to October 2011. The gray background is the average SSN index.
