Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 28, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3389 | S09 | E72 | 01 | 0020 | Alpha | Aug 3, 2023 | Aug 10, 2023 | Aug 24, 2023 |
| № 3388 | S23 | E62 | 03 | 0030 | Beta | Aug 3, 2023 | Aug 10, 2023 | Aug 24, 2023 |
| № 3387 | N20 | E66 | 02 | 0060 | Alpha | Aug 3, 2023 | Aug 10, 2023 | Aug 24, 2023 |
| № 3386 | N12 | E47 | 11 | 0180 | Beta | Aug 2, 2023 | Aug 8, 2023 | Aug 22, 2023 |
| № 3385 | S15 | W35 | 01 | 0020 | Alpha | Jul 26, 2023 | Aug 2, 2023 | Aug 16, 2023 |
| № 3384 | S15 | E29 | 04 | 0020 | Beta | Jul 31, 2023 | Aug 7, 2023 | Aug 21, 2023 |
| № 3382 | N19 | W32 | 01 | 0010 | Alpha | Jul 27, 2023 | Aug 2, 2023 | Aug 16, 2023 |
| № 3380 | S12 | E12 | 07 | 0110 | Beta | Jul 30, 2023 | Aug 6, 2023 | Aug 19, 2023 |
| № 3379 | N14 | W37 | 07 | 0200 | Beta | Jul 26, 2023 | Aug 2, 2023 | Aug 16, 2023 |
| № 3377 | S09 | W62 | 02 | 0220 | Beta | Jul 24, 2023 | Jul 31, 2023 | Aug 14, 2023 |
| № 3376 | N22 | W96 | 05 | 0140 | Beta | Jul 22, 2023 | Jul 29, 2023 | Aug 11, 2023 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to July 2023. The gray background is the average SSN index.
