Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on April 27, 2025. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4077 | S17 | E47 | 04 | 0020 | Beta | May 2, 2025 | May 8, 2025 | May 22, 2025 |
| № 4076 | N05 | E45 | 01 | 0060 | Alpha | May 1, 2025 | May 8, 2025 | May 22, 2025 |
| № 4074 | S20 | W73 | 04 | 0020 | Beta | Apr 22, 2025 | Apr 29, 2025 | May 13, 2025 |
| № 4073 | N11 | E13 | 32 | 0010 | Beta | Apr 29, 2025 | May 6, 2025 | May 19, 2025 |
| № 4072 | S19 | E25 | 04 | 0050 | Alpha | Apr 30, 2025 | May 7, 2025 | May 21, 2025 |
| № 4070 | S02 | W14 | 06 | 0110 | Beta | Apr 27, 2025 | May 4, 2025 | May 17, 2025 |
| № 4069 | S09 | W45 | 03 | 0020 | Beta | Apr 25, 2025 | May 1, 2025 | May 15, 2025 |
| № 4068 | S26 | W05 | 01 | 0010 | Alpha | Apr 28, 2025 | May 5, 2025 | May 19, 2025 |
| № 4065 | S31 | W54 | 01 | 0030 | Alpha | Apr 24, 2025 | May 1, 2025 | May 15, 2025 |
| № 4064 | N12 | W59 | 05 | 0180 | Beta | Apr 24, 2025 | Apr 30, 2025 | May 14, 2025 |
| № 4062 | S01 | W85 | 01 | 0020 | Alpha | Apr 22, 2025 | Apr 28, 2025 | May 12, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to April 2025. The gray background is the average SSN index.
