Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 11, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3276 | S22 | E77 | 03 | 0020 | Beta | Apr 18, 2023 | Apr 25, 2023 | May 9, 2023 |
| № 3275 | N21 | E63 | 01 | 0040 | Alpha | Apr 17, 2023 | Apr 24, 2023 | May 7, 2023 |
| № 3274 | S07 | W00 | 01 | 0010 | Alpha | Apr 12, 2023 | Apr 19, 2023 | May 2, 2023 |
| № 3273 | N10 | E15 | 06 | 0120 | Beta | Apr 13, 2023 | Apr 20, 2023 | May 3, 2023 |
| № 3272 | S22 | E26 | 31 | 0270 | Beta-Gamma | 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.