Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 12, 2007. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 946 | N10 | W57 | 04 | 0070 | Beta | Mar 9, 2007 | Mar 15, 2007 | Mar 29, 2007 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1978 to March 2007. The gray background is the average SSN index.
