Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 4, 2002. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9856 | S06 | E76 | 01 | 0110 | Alpha | Mar 11, 2002 | Mar 17, 2002 | Mar 31, 2002 |
| № 9855 | N12 | E26 | 07 | 0020 | Beta | Mar 7, 2002 | Mar 14, 2002 | Mar 27, 2002 |
| № 9854 | N11 | W07 | 08 | 0020 | Beta | Mar 4, 2002 | Mar 11, 2002 | Mar 25, 2002 |
| № 9853 | S23 | E56 | 03 | 0050 | Alpha | Mar 9, 2002 | Mar 16, 2002 | Mar 30, 2002 |
| № 9851 | S06 | E31 | 07 | 0040 | Beta | Mar 7, 2002 | Mar 14, 2002 | Mar 27, 2002 |
| № 9848 | S19 | W43 | 01 | 0000 | Alpha | Mar 2, 2002 | Mar 8, 2002 | Mar 22, 2002 |
| № 9845 | N18 | W31 | 26 | 0390 | Beta-Gamma | Mar 2, 2002 | Mar 9, 2002 | Mar 23, 2002 |
| № 9844 | N23 | W74 | 05 | 0100 | Beta | Feb 27, 2002 | Mar 6, 2002 | Mar 20, 2002 |
| № 9843 | S25 | W58 | 07 | 0050 | Beta | Feb 28, 2002 | Mar 7, 2002 | Mar 21, 2002 |
| № 9840 | S16 | W62 | 04 | 0010 | Beta | Feb 28, 2002 | Mar 7, 2002 | Mar 21, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to March 2002. The gray background is the average SSN index.
