Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on November 21, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9711 | S16 | W21 | 01 | 0010 | Alpha | Nov 20, 2001 | Nov 27, 2001 | Dec 11, 2001 |
| № 9710 | S11 | E20 | 12 | 0090 | Beta | Nov 23, 2001 | Nov 30, 2001 | Dec 14, 2001 |
| № 9708 | N04 | W50 | 06 | 0020 | Beta | Nov 18, 2001 | Nov 25, 2001 | Dec 8, 2001 |
| № 9705 | N12 | W29 | 01 | 0000 | Alpha | Nov 20, 2001 | Nov 26, 2001 | Dec 10, 2001 |
| № 9704 | S18 | W08 | 30 | 0540 | Beta-Gamma-Delta | Nov 21, 2001 | Nov 28, 2001 | Dec 12, 2001 |
| № 9698 | S25 | W39 | 08 | 0100 | Beta | Nov 19, 2001 | Nov 26, 2001 | Dec 10, 2001 |
| № 9697 | N12 | W43 | 10 | 0350 | Beta-Gamma | Nov 19, 2001 | Nov 25, 2001 | Dec 9, 2001 |
| № 9695 | N12 | W60 | 01 | 0040 | Alpha | Nov 17, 2001 | Nov 24, 2001 | Dec 8, 2001 |
| № 9694 | N15 | W90 | 01 | 0030 | Alpha | Nov 15, 2001 | Nov 22, 2001 | Dec 6, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to November 2001. The gray background is the average SSN index.
