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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 12, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1455 | N07 | E09 | 06 | 0030 | Beta | Apr 14, 2012 | Apr 20, 2012 | May 4, 2012 |
| № 1454 | S13 | E57 | 02 | 0020 | Beta | Apr 17, 2012 | Apr 24, 2012 | May 8, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to April 2012. The gray background is the average SSN index.
