Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 23, 2023. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3471 | S22 | E17 | 01 | 0010 | Alpha | Oct 25, 2023 | Nov 1, 2023 | Nov 15, 2023 |
| № 3470 | N26 | E01 | 02 | 0010 | Alpha | Oct 24, 2023 | Oct 31, 2023 | Nov 14, 2023 |
| № 3469 | N27 | W65 | 03 | 0010 | Beta | Oct 19, 2023 | Oct 26, 2023 | Nov 9, 2023 |
| № 3468 | S09 | W12 | 02 | 0060 | Alpha | Oct 23, 2023 | Oct 30, 2023 | Nov 13, 2023 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to October 2023. The gray background is the average SSN index.
