Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 13, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 31 | N10 | E48 | 01 | 0010 | Alpha | Jul 18, 2002 | Jul 25, 2002 | Aug 7, 2002 |
| № 30 | N19 | E35 | 35 | 0690 | Beta-Gamma-Delta | Jul 17, 2002 | Jul 24, 2002 | Aug 6, 2002 |
| № 29 | S14 | W03 | 04 | 0030 | Beta | Jul 14, 2002 | Jul 21, 2002 | Aug 3, 2002 |
| № 28 | S16 | W16 | 02 | 0000 | Beta | Jul 13, 2002 | Jul 20, 2002 | Aug 2, 2002 |
| № 25 | S20 | W31 | 01 | 0020 | Alpha | Jul 12, 2002 | Jul 19, 2002 | Aug 1, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to July 2002. The gray background is the average SSN index.
