No image for the selected date
Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 944 | S10 | E75 | 01 | 0120 | Alpha | Mar 2, 2007 | Mar 8, 2007 | Mar 22, 2007 |
| № 942 | S10 | W09 | 04 | 0020 | Beta | Feb 23, 2007 | Mar 2, 2007 | Mar 16, 2007 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1978 to February 2007. The gray background is the average SSN index.
