Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 15, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3405 | N11 | E73 | 01 | 0120 | Alpha | Aug 22, 2023 | Aug 28, 2023 | Sep 11, 2023 |
| № 3404 | S07 | E57 | 02 | 0060 | Alpha | Aug 20, 2023 | Aug 27, 2023 | Sep 10, 2023 |
| № 3403 | N26 | E16 | 10 | 0130 | Beta | Aug 17, 2023 | Aug 24, 2023 | Sep 7, 2023 |
| № 3397 | N17 | W46 | 06 | 0090 | Beta | Aug 13, 2023 | Aug 20, 2023 | Sep 2, 2023 |
| № 3395 | N11 | W72 | 05 | 0100 | Beta | Aug 11, 2023 | Aug 18, 2023 | Aug 31, 2023 |
| № 3394 | S24 | W83 | 01 | 0150 | Alpha | Aug 10, 2023 | Aug 17, 2023 | Aug 31, 2023 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to August 2023. The gray background is the average SSN index.