Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 16, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3307 | S09 | E37 | 02 | 0010 | Beta | May 20, 2023 | May 27, 2023 | Jun 9, 2023 |
| № 3306 | S18 | W49 | 05 | 0010 | Beta | May 13, 2023 | May 20, 2023 | Jun 3, 2023 |
| № 3305 | N10 | W02 | 24 | 0110 | Beta-Gamma | May 17, 2023 | May 24, 2023 | Jun 6, 2023 |
| № 3304 | N22 | W32 | 03 | 0010 | Beta | May 14, 2023 | May 21, 2023 | Jun 4, 2023 |
| № 3302 | N19 | W08 | 05 | 0090 | Beta | May 16, 2023 | May 23, 2023 | Jun 6, 2023 |
| № 3301 | N14 | W13 | 04 | 0100 | Alpha | May 16, 2023 | May 23, 2023 | Jun 5, 2023 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to May 2023. The gray background is the average SSN index.