Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on May 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3313 | N22 | E75 | 01 | 0030 | Alpha | May 27, 2023 | Jun 3, 2023 | Jun 17, 2023 |
| № 3312 | S25 | E70 | 06 | 0040 | Beta | May 26, 2023 | Jun 2, 2023 | Jun 16, 2023 |
| № 3311 | N17 | E60 | 12 | 0330 | Beta-Delta | May 26, 2023 | Jun 1, 2023 | Jun 15, 2023 |
| № 3310 | S20 | E48 | 08 | 0320 | Beta | May 25, 2023 | Jun 1, 2023 | Jun 14, 2023 |
| № 3309 | S18 | W77 | 03 | 0010 | Beta | May 15, 2023 | May 22, 2023 | Jun 5, 2023 |
| № 3308 | N12 | W41 | 15 | 0070 | Beta | May 18, 2023 | May 25, 2023 | Jun 7, 2023 |
| № 3307 | S09 | W20 | 01 | 0010 | Alpha | May 19, 2023 | May 26, 2023 | Jun 9, 2023 |
| № 3305 | N12 | W57 | 18 | 0240 | Beta | May 17, 2023 | May 23, 2023 | Jun 6, 2023 |
| № 3302 | N18 | W58 | 01 | 0050 | Alpha | May 17, 2023 | May 23, 2023 | Jun 6, 2023 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to May 2023. The gray background is the average SSN index.