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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 7, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1431 | S28 | W48 | 05 | 0030 | Beta | Mar 4, 2012 | Mar 11, 2012 | Mar 25, 2012 |
| № 1430 | N19 | E13 | 11 | 0110 | Beta | Mar 9, 2012 | Mar 16, 2012 | Mar 30, 2012 |
| № 1429 | N17 | E29 | 25 | 1120 | Beta-Gamma-Delta | Mar 10, 2012 | Mar 17, 2012 | Mar 31, 2012 |
| № 1428 | S16 | E09 | 17 | 0250 | Beta | Mar 9, 2012 | Mar 16, 2012 | Mar 29, 2012 |
| № 1423 | N18 | W90 | 01 | 0030 | Alpha | Mar 1, 2012 | Mar 8, 2012 | Mar 22, 2012 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1983 to March 2012. The gray background is the average SSN index.
