Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 7, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 103 | N15 | E31 | 20 | 0140 | Beta | Sep 10, 2002 | Sep 17, 2002 | Oct 1, 2002 |
| № 101 | N02 | E05 | 08 | 0010 | Beta | Sep 8, 2002 | Sep 15, 2002 | Sep 29, 2002 |
| № 100 | S19 | E06 | 09 | 0130 | Beta | Sep 8, 2002 | Sep 15, 2002 | Sep 29, 2002 |
| № 99 | S05 | W43 | 05 | 0030 | Beta | Sep 5, 2002 | Sep 12, 2002 | Sep 25, 2002 |
| № 97 | N12 | W47 | 07 | 0050 | Beta | Sep 4, 2002 | Sep 11, 2002 | Sep 25, 2002 |
| № 96 | S16 | W15 | 22 | 0160 | Beta | Sep 7, 2002 | Sep 14, 2002 | Sep 27, 2002 |
| № 95 | N08 | W31 | 33 | 0360 | Beta | Sep 6, 2002 | Sep 12, 2002 | Sep 26, 2002 |
| № 94 | S19 | W41 | 05 | 0110 | Beta | Sep 5, 2002 | Sep 12, 2002 | Sep 25, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to September 2002. The gray background is the average SSN index.
