Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on October 4, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3456 | S31 | W06 | 02 | 0010 | Beta | Oct 5, 2023 | Oct 12, 2023 | Oct 26, 2023 |
| № 3455 | N25 | E47 | 04 | 0010 | Alpha | Oct 9, 2023 | Oct 16, 2023 | Oct 30, 2023 |
| № 3454 | S13 | E38 | 03 | 0020 | Beta | Oct 8, 2023 | Oct 15, 2023 | Oct 28, 2023 |
| № 3453 | N10 | W17 | 05 | 0050 | Beta | Oct 4, 2023 | Oct 11, 2023 | Oct 24, 2023 |
| № 3452 | N11 | E19 | 16 | 0150 | Beta | Oct 6, 2023 | Oct 13, 2023 | Oct 27, 2023 |
| № 3451 | N16 | E22 | 08 | 0050 | Beta | Oct 7, 2023 | Oct 14, 2023 | Oct 27, 2023 |
| № 3450 | S19 | W10 | 19 | 0140 | Beta-Gamma | Oct 4, 2023 | Oct 11, 2023 | Oct 25, 2023 |
| № 3449 | N15 | W53 | 01 | 0010 | Alpha | Oct 1, 2023 | Oct 8, 2023 | Oct 21, 2023 |
| № 3448 | N14 | W33 | 02 | 0090 | Alpha | Oct 3, 2023 | Oct 9, 2023 | Oct 23, 2023 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to October 2023. The gray background is the average SSN index.
