Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 18, 2012. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1406 | S23 | W55 | 07 | 0030 | Beta | Jan 15, 2012 | Jan 22, 2012 | Feb 5, 2012 |
| № 1405 | N13 | E51 | 01 | 0050 | Alpha | Jan 23, 2012 | Jan 30, 2012 | Feb 12, 2012 |
| № 1404 | N11 | W42 | 03 | 0010 | Beta | Jan 16, 2012 | Jan 23, 2012 | Feb 5, 2012 |
| № 1403 | S19 | E02 | 05 | 0010 | Beta | Jan 19, 2012 | Jan 26, 2012 | Feb 9, 2012 |
| № 1402 | N28 | E40 | 07 | 0630 | Beta-Gamma | Jan 22, 2012 | Jan 29, 2012 | Feb 12, 2012 |
| № 1401 | N18 | E38 | 18 | 0480 | Beta-Gamma | Jan 22, 2012 | Jan 29, 2012 | Feb 11, 2012 |
| № 1399 | S23 | E29 | 01 | 0020 | Alpha | Jan 21, 2012 | Jan 28, 2012 | Feb 11, 2012 |
| № 1398 | N11 | W64 | 03 | 0010 | Beta | Jan 14, 2012 | Jan 21, 2012 | Feb 4, 2012 |
| № 1396 | N24 | W33 | 17 | 0030 | Beta | Jan 16, 2012 | Jan 23, 2012 | Feb 6, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to January 2012. The gray background is the average SSN index.
