Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 23, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 42 | S18 | E40 | 03 | 0010 | Alpha | Jul 27, 2002 | Aug 3, 2002 | Aug 16, 2002 |
| № 41 | N16 | E24 | 01 | 0010 | Alpha | Jul 26, 2002 | Aug 2, 2002 | Aug 15, 2002 |
| № 40 | S22 | E03 | 02 | 0010 | Beta | Jul 24, 2002 | Jul 31, 2002 | Aug 14, 2002 |
| № 39 | S12 | E70 | 07 | 0330 | Beta | Jul 29, 2002 | Aug 5, 2002 | Aug 19, 2002 |
| № 38 | N17 | E39 | 06 | 0070 | Beta | Jul 27, 2002 | Aug 3, 2002 | Aug 16, 2002 |
| № 37 | N13 | W04 | 01 | 0190 | Alpha | Jul 24, 2002 | Jul 30, 2002 | Aug 13, 2002 |
| № 36 | S07 | W13 | 51 | 0970 | Beta-Gamma | Jul 23, 2002 | Jul 30, 2002 | Aug 12, 2002 |
| № 35 | S09 | W30 | 12 | 0080 | Beta | Jul 22, 2002 | Jul 28, 2002 | Aug 11, 2002 |
| № 30 | N20 | W84 | 03 | 0230 | Beta | Jul 17, 2002 | Jul 24, 2002 | Aug 7, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to July 2002. The gray background is the average SSN index.
