Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9957 | N06 | E67 | 04 | 0570 | Beta | May 23, 2002 | May 30, 2002 | Jun 12, 2002 |
| № 9956 | S08 | W04 | 01 | 0000 | Beta | May 18, 2002 | May 24, 2002 | Jun 7, 2002 |
| № 9955 | S14 | E55 | 01 | 0040 | Alpha | May 22, 2002 | May 29, 2002 | Jun 12, 2002 |
| № 9954 | S22 | E54 | 03 | 0130 | Alpha | May 22, 2002 | May 29, 2002 | Jun 12, 2002 |
| № 9953 | N06 | W65 | 05 | 0050 | Beta | May 13, 2002 | May 20, 2002 | Jun 2, 2002 |
| № 9951 | N11 | E14 | 01 | 0000 | Alpha | May 19, 2002 | May 26, 2002 | Jun 8, 2002 |
| № 9950 | S05 | W23 | 05 | 0030 | Beta | May 16, 2002 | May 23, 2002 | Jun 6, 2002 |
| № 9948 | S22 | E01 | 04 | 0370 | Beta | May 18, 2002 | May 25, 2002 | Jun 8, 2002 |
| № 9945 | S03 | W54 | 06 | 0250 | Beta | May 14, 2002 | May 21, 2002 | Jun 3, 2002 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1973 to May 2002. The gray background is the average SSN index.
