Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 15, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4028 | S18 | E59 | 06 | 0110 | Beta-Gamma | Mar 20, 2025 | Mar 27, 2025 | Apr 10, 2025 |
| № 4027 | N11 | W48 | 01 | 0010 | Alpha | Mar 12, 2025 | Mar 19, 2025 | Apr 2, 2025 |
| № 4026 | S19 | E25 | 01 | 0010 | Alpha | Mar 18, 2025 | Mar 25, 2025 | Apr 7, 2025 |
| № 4025 | N11 | E16 | 07 | 0060 | Beta | Mar 17, 2025 | Mar 24, 2025 | Apr 6, 2025 |
| № 4023 | N25 | E20 | 01 | 0030 | Alpha | Mar 17, 2025 | Mar 24, 2025 | Apr 7, 2025 |
| № 4022 | N08 | E07 | 09 | 0020 | Beta | Mar 16, 2025 | Mar 23, 2025 | Apr 6, 2025 |
| № 4021 | S05 | E17 | 04 | 0080 | Alpha | Mar 17, 2025 | Mar 24, 2025 | Apr 6, 2025 |
| № 4020 | N19 | W01 | 01 | 0040 | Alpha | Mar 16, 2025 | Mar 23, 2025 | Apr 5, 2025 |
| № 4019 | N05 | W21 | 16 | 0100 | Beta-Delta | Mar 14, 2025 | Mar 21, 2025 | Apr 4, 2025 |
| № 4018 | S20 | W36 | 01 | 0060 | Alpha | Mar 13, 2025 | Mar 20, 2025 | Apr 3, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to March 2025. The gray background is the average SSN index.
