Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 13, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3401 | N25 | W59 | 01 | 0010 | Alpha | Aug 9, 2023 | Aug 16, 2023 | Aug 30, 2023 |
| № 3397 | N19 | W18 | 08 | 0040 | Beta | Aug 13, 2023 | Aug 20, 2023 | Sep 2, 2023 |
| № 3395 | N13 | W44 | 10 | 0180 | Beta-Delta | Aug 11, 2023 | Aug 17, 2023 | Aug 31, 2023 |
| № 3394 | S22 | W55 | 02 | 0230 | Beta | 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.
