Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 17, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 122 | S19 | E76 | 01 | 0050 | Alpha | Sep 24, 2002 | Oct 1, 2002 | Oct 14, 2002 |
| № 121 | S14 | E71 | 01 | 0050 | Alpha | Sep 23, 2002 | Sep 30, 2002 | Oct 14, 2002 |
| № 120 | S19 | E59 | 01 | 0040 | Alpha | Sep 22, 2002 | Sep 29, 2002 | Oct 13, 2002 |
| № 119 | S14 | E34 | 08 | 0040 | Beta | Sep 20, 2002 | Sep 27, 2002 | Oct 11, 2002 |
| № 118 | N14 | E16 | 02 | 0010 | Alpha | Sep 19, 2002 | Sep 26, 2002 | Oct 10, 2002 |
| № 117 | S09 | E61 | 01 | 0170 | Alpha | Sep 22, 2002 | Sep 29, 2002 | Oct 13, 2002 |
| № 116 | N15 | W06 | 03 | 0020 | Beta | Sep 17, 2002 | Sep 24, 2002 | Oct 8, 2002 |
| № 115 | S03 | E21 | 08 | 0140 | Beta | Sep 19, 2002 | Sep 26, 2002 | Oct 10, 2002 |
| № 114 | S12 | W26 | 18 | 0190 | Beta-Gamma | Sep 16, 2002 | Sep 23, 2002 | Oct 6, 2002 |
| № 110 | N19 | W59 | 02 | 0030 | Beta | Sep 13, 2002 | Sep 20, 2002 | Oct 4, 2002 |
| № 107 | N11 | W34 | 07 | 0080 | Beta | Sep 15, 2002 | Sep 22, 2002 | Oct 6, 2002 |
| № 105 | S07 | W42 | 18 | 0710 | Beta-Gamma | Sep 15, 2002 | Sep 21, 2002 | Oct 5, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to September 2002. The gray background is the average SSN index.
