Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 16, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4033 | N24 | E62 | 03 | 0010 | Beta | Mar 22, 2025 | Mar 29, 2025 | Apr 11, 2025 |
| № 4032 | N27 | E38 | 01 | 0010 | Alpha | Mar 20, 2025 | Mar 27, 2025 | Apr 10, 2025 |
| № 4031 | N17 | E20 | 02 | 0010 | Beta | Mar 18, 2025 | Mar 25, 2025 | Apr 8, 2025 |
| № 4030 | S16 | E61 | 05 | 0090 | Beta-Gamma | Mar 21, 2025 | Mar 28, 2025 | Apr 11, 2025 |
| № 4029 | S14 | E36 | 01 | 0010 | Alpha | Mar 20, 2025 | Mar 26, 2025 | Apr 9, 2025 |
| № 4028 | S17 | E43 | 03 | 0240 | Beta-Gamma | Mar 20, 2025 | Mar 27, 2025 | Apr 10, 2025 |
| № 4025 | N12 | E04 | 06 | 0050 | Beta | Mar 17, 2025 | Mar 24, 2025 | Apr 7, 2025 |
| № 4023 | N21 | E06 | 01 | 0030 | Alpha | Mar 17, 2025 | Mar 24, 2025 | Apr 7, 2025 |
| № 4022 | N06 | W07 | 09 | 0070 | Beta | Mar 16, 2025 | Mar 23, 2025 | Apr 6, 2025 |
| № 4021 | S05 | E05 | 03 | 0090 | Beta | Mar 17, 2025 | Mar 24, 2025 | Apr 7, 2025 |
| № 4020 | N20 | W13 | 01 | 0070 | Alpha | Mar 16, 2025 | Mar 23, 2025 | Apr 6, 2025 |
| № 4019 | N06 | W35 | 19 | 0100 | Beta-Gamma-Delta | Mar 14, 2025 | Mar 21, 2025 | Apr 4, 2025 |
| № 4018 | S19 | W50 | 01 | 0090 | 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.
