Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 21, 2022. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2996 | N23 | E67 | 01 | 0050 | Alpha | Apr 27, 2022 | May 4, 2022 | May 18, 2022 |
| № 2995 | N14 | E58 | 01 | 0240 | Alpha | Apr 26, 2022 | May 3, 2022 | May 17, 2022 |
| № 2994 | N14 | E27 | 08 | 0610 | Beta-Gamma | Apr 24, 2022 | May 1, 2022 | May 14, 2022 |
| № 2993 | N20 | E26 | 19 | 0490 | Beta-Gamma | Apr 24, 2022 | May 1, 2022 | May 15, 2022 |
| № 2991 | S23 | W13 | 01 | 0010 | Alpha | Apr 21, 2022 | Apr 28, 2022 | May 12, 2022 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1993 to April 2022. The gray background is the average SSN index.