Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 20, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 162 | N26 | E61 | 16 | 0890 | Beta-Gamma | Oct 26, 2002 | Nov 2, 2002 | Nov 16, 2002 |
| № 160 | S22 | W10 | 18 | 0110 | Beta | Oct 20, 2002 | Oct 27, 2002 | Nov 10, 2002 |
| № 159 | S12 | W06 | 08 | 0100 | Beta | Oct 20, 2002 | Oct 27, 2002 | Nov 10, 2002 |
| № 158 | S07 | W16 | 17 | 0120 | Beta-Gamma | Oct 20, 2002 | Oct 26, 2002 | Nov 9, 2002 |
| № 154 | S14 | W46 | 01 | 0020 | Alpha | Oct 17, 2002 | Oct 24, 2002 | Nov 7, 2002 |
| № 149 | N14 | W60 | 14 | 0290 | Beta-Gamma | Oct 16, 2002 | Oct 23, 2002 | Nov 6, 2002 |
| № 148 | S21 | W59 | 01 | 0010 | Alpha | Oct 16, 2002 | Oct 23, 2002 | Nov 6, 2002 |
| № 145 | N12 | W70 | 01 | 0070 | Alpha | Oct 16, 2002 | Oct 22, 2002 | Nov 5, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to October 2002. The gray background is the average SSN index.
