Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 20, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3284 | S08 | E42 | 03 | 0080 | Beta | Apr 24, 2023 | May 1, 2023 | May 15, 2023 |
| № 3283 | S21 | E07 | 03 | 0020 | Beta | Apr 22, 2023 | Apr 28, 2023 | May 12, 2023 |
| № 3282 | N12 | W16 | 11 | 0530 | Beta | Apr 20, 2023 | Apr 27, 2023 | May 10, 2023 |
| № 3281 | S21 | W10 | 10 | 0060 | Beta | Apr 20, 2023 | Apr 27, 2023 | May 11, 2023 |
| № 3279 | S19 | W28 | 07 | 0040 | Beta | Apr 19, 2023 | Apr 26, 2023 | May 9, 2023 |
| № 3276 | S21 | W00 | 07 | 0030 | Alpha | Apr 21, 2023 | Apr 28, 2023 | May 12, 2023 |
| № 3272 | S24 | W88 | 02 | 0010 | Alpha | Apr 14, 2023 | Apr 21, 2023 | May 5, 2023 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to April 2023. The gray background is the average SSN index.
