Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on August 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3395 | N15 | E77 | 01 | 0060 | Alpha | Aug 11, 2023 | Aug 18, 2023 | Aug 31, 2023 |
| № 3394 | S22 | E63 | 02 | 0130 | Alpha | Aug 10, 2023 | Aug 17, 2023 | Aug 30, 2023 |
| № 3393 | N16 | W14 | 01 | 0010 | Alpha | Aug 4, 2023 | Aug 11, 2023 | Aug 24, 2023 |
| № 3392 | N10 | E12 | 07 | 0160 | Beta | Aug 6, 2023 | Aug 13, 2023 | Aug 26, 2023 |
| № 3391 | N23 | E15 | 01 | 0090 | Alpha | Aug 6, 2023 | Aug 13, 2023 | Aug 27, 2023 |
| № 3388 | S23 | W28 | 01 | 0010 | Alpha | Aug 3, 2023 | Aug 10, 2023 | Aug 23, 2023 |
| № 3387 | N22 | W19 | 05 | 0050 | Beta | Aug 3, 2023 | Aug 10, 2023 | Aug 24, 2023 |
| № 3386 | N12 | W43 | 06 | 0180 | Beta | Aug 2, 2023 | Aug 8, 2023 | Aug 22, 2023 |
| № 3380 | S11 | W78 | 10 | 0330 | Beta | Jul 30, 2023 | Aug 6, 2023 | Aug 19, 2023 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to August 2023. The gray background is the average SSN index.
