Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on November 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 9709 | N21 | E25 | 06 | 0020 | Beta | Nov 21, 2001 | Nov 28, 2001 | Dec 12, 2001 |
| № 9708 | N04 | W12 | 03 | 0010 | Alpha | Nov 18, 2001 | Nov 25, 2001 | Dec 8, 2001 |
| № 9704 | S18 | E28 | 24 | 0500 | Beta | Nov 21, 2001 | Nov 28, 2001 | Dec 12, 2001 |
| № 9698 | S23 | W03 | 09 | 0130 | Beta | Nov 19, 2001 | Nov 26, 2001 | Dec 10, 2001 |
| № 9697 | N13 | W06 | 19 | 0340 | Beta-Gamma | Nov 19, 2001 | Nov 25, 2001 | Dec 9, 2001 |
| № 9695 | N12 | W23 | 01 | 0070 | Alpha | Nov 17, 2001 | Nov 24, 2001 | Dec 8, 2001 |
| № 9694 | N14 | W54 | 01 | 0040 | Alpha | Nov 15, 2001 | Nov 22, 2001 | Dec 5, 2001 |
| № 9691 | N09 | W70 | 01 | 0070 | Alpha | Nov 14, 2001 | Nov 21, 2001 | Dec 4, 2001 |
| № 9690 | S18 | W80 | 03 | 0170 | Alpha | Nov 13, 2001 | Nov 20, 2001 | Dec 3, 2001 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1972 to November 2001. The gray background is the average SSN index.
