Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 11, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3399 | S15 | E25 | 03 | 0010 | Beta | Aug 14, 2023 | Aug 21, 2023 | Sep 3, 2023 |
| № 3397 | N20 | E09 | 01 | 0010 | Alpha | Aug 13, 2023 | Aug 20, 2023 | Sep 2, 2023 |
| № 3395 | N13 | W17 | 11 | 0130 | Beta-Gamma | Aug 11, 2023 | Aug 17, 2023 | Aug 31, 2023 |
| № 3394 | S24 | W27 | 06 | 0240 | Beta | Aug 10, 2023 | Aug 17, 2023 | Aug 31, 2023 |
| № 3392 | N09 | W89 | 01 | 0030 | Alpha | Aug 5, 2023 | Aug 12, 2023 | Aug 26, 2023 |
| № 3391 | N22 | W79 | 01 | 0040 | Alpha | Aug 6, 2023 | Aug 13, 2023 | Aug 27, 2023 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to August 2023. The gray background is the average SSN index.