Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 22, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3285 | S17 | E71 | 04 | 0140 | Beta | Apr 28, 2023 | May 5, 2023 | May 19, 2023 |
| № 3284 | N00 | E16 | 01 | 0010 | Alpha | Apr 24, 2023 | May 1, 2023 | May 14, 2023 |
| № 3283 | S22 | W12 | 10 | 0020 | Beta | Apr 22, 2023 | Apr 29, 2023 | May 13, 2023 |
| № 3282 | N11 | W40 | 19 | 0410 | Beta-Gamma | Apr 20, 2023 | Apr 27, 2023 | May 10, 2023 |
| № 3281 | S21 | W33 | 07 | 0030 | Beta | Apr 20, 2023 | Apr 27, 2023 | May 11, 2023 |
| № 3279 | S22 | W48 | 01 | 0010 | Alpha | Apr 19, 2023 | Apr 26, 2023 | May 10, 2023 |
| № 3275 | N13 | W83 | 02 | 0010 | Beta | Apr 17, 2023 | Apr 23, 2023 | May 7, 2023 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to April 2023. The gray background is the average SSN index.
