Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 2, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 101 | N03 | E71 | 01 | 0050 | Alpha | Sep 8, 2002 | Sep 15, 2002 | Sep 29, 2002 |
| № 100 | S20 | E67 | 01 | 0130 | Alpha | Sep 8, 2002 | Sep 15, 2002 | Sep 29, 2002 |
| № 99 | S03 | E27 | 06 | 0040 | Beta | Sep 5, 2002 | Sep 12, 2002 | Sep 25, 2002 |
| № 98 | S12 | E65 | 01 | 0030 | Alpha | Sep 8, 2002 | Sep 15, 2002 | Sep 28, 2002 |
| № 97 | N10 | E21 | 08 | 0030 | Beta | Sep 5, 2002 | Sep 11, 2002 | Sep 25, 2002 |
| № 96 | S15 | E50 | 04 | 0140 | Beta | Sep 7, 2002 | Sep 14, 2002 | Sep 27, 2002 |
| № 95 | N08 | E38 | 34 | 0730 | Beta-Gamma | Sep 6, 2002 | Sep 13, 2002 | Sep 26, 2002 |
| № 94 | S18 | E27 | 09 | 0170 | Beta | Sep 5, 2002 | Sep 12, 2002 | Sep 26, 2002 |
| № 90 | S06 | W36 | 06 | 0050 | Beta | Aug 31, 2002 | Sep 7, 2002 | Sep 21, 2002 |
| № 87 | S08 | W61 | 17 | 0190 | Beta | Aug 29, 2002 | Sep 5, 2002 | Sep 19, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to September 2002. The gray background is the average SSN index.
