Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 30, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9928 | N18 | E77 | 02 | 0130 | Alpha | May 7, 2002 | May 14, 2002 | May 27, 2002 |
| № 9927 | S28 | E70 | 02 | 0070 | Beta | May 6, 2002 | May 13, 2002 | May 27, 2002 |
| № 9926 | N14 | E01 | 03 | 0080 | Beta | May 1, 2002 | May 8, 2002 | May 21, 2002 |
| № 9922 | N22 | W22 | 02 | 0020 | Alpha | Apr 29, 2002 | May 6, 2002 | May 20, 2002 |
| № 9921 | N14 | W39 | 02 | 0010 | Beta | Apr 28, 2002 | May 5, 2002 | May 18, 2002 |
| № 9919 | N15 | W11 | 07 | 0090 | Beta | Apr 30, 2002 | May 7, 2002 | May 21, 2002 |
| № 9916 | S15 | W28 | 04 | 0030 | Beta | Apr 29, 2002 | May 6, 2002 | May 19, 2002 |
| № 9915 | N12 | W51 | 09 | 0200 | Beta | Apr 27, 2002 | May 4, 2002 | May 17, 2002 |
| № 9914 | N06 | W62 | 03 | 0160 | Beta | Apr 26, 2002 | May 3, 2002 | May 17, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to April 2002. The gray background is the average SSN index.
