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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on June 28, 2001. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9520 | S10 | E22 | 01 | 0000 | Alpha | Jul 1, 2001 | Jul 8, 2001 | Jul 21, 2001 |
| № 9519 | N17 | E20 | 04 | 0020 | Beta | Jul 1, 2001 | Jul 8, 2001 | Jul 21, 2001 |
| № 9518 | S48 | E43 | 05 | 0070 | Beta | Jul 3, 2001 | Jul 11, 2001 | Jul 26, 2001 |
| № 9516 | N11 | E11 | 03 | 0120 | Beta | Jun 30, 2001 | Jul 7, 2001 | Jul 20, 2001 |
| № 9515 | S07 | W12 | 12 | 0090 | Beta | Jun 28, 2001 | Jul 5, 2001 | Jul 19, 2001 |
| № 9514 | N16 | W03 | 06 | 0040 | Beta | Jun 29, 2001 | Jul 6, 2001 | Jul 20, 2001 |
| № 9513 | N22 | E02 | 24 | 0150 | Beta | Jun 29, 2001 | Jul 6, 2001 | Jul 20, 2001 |
| № 9512 | S23 | W53 | 18 | 0150 | Beta-Gamma | Jun 25, 2001 | Jul 2, 2001 | Jul 16, 2001 |
| № 9511 | N10 | W40 | 10 | 0060 | Beta | Jun 26, 2001 | Jul 3, 2001 | Jul 17, 2001 |
| № 9506 | N18 | W90 | 02 | 0120 | Beta | Jun 22, 2001 | Jun 29, 2001 | Jul 13, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to June 2001. The gray background is the average SSN index.
