Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 17, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3999 | N05 | E55 | 05 | 0020 | Beta | Feb 22, 2025 | Mar 1, 2025 | Mar 14, 2025 |
| № 3998 | S14 | E68 | 04 | 0090 | Beta | Feb 23, 2025 | Mar 2, 2025 | Mar 15, 2025 |
| № 3997 | N03 | E30 | 56 | 0040 | Beta | Feb 20, 2025 | Feb 27, 2025 | Mar 12, 2025 |
| № 3996 | S17 | E53 | 17 | 0100 | Beta-Gamma | Feb 22, 2025 | Mar 1, 2025 | Mar 14, 2025 |
| № 3995 | S23 | W56 | 02 | 0040 | Beta | Feb 14, 2025 | Feb 20, 2025 | Mar 6, 2025 |
| № 3994 | S21 | W30 | 09 | 0040 | Beta | Feb 16, 2025 | Feb 22, 2025 | Mar 8, 2025 |
| № 3993 | N15 | E36 | 03 | 0210 | Alpha | Feb 21, 2025 | Feb 27, 2025 | Mar 13, 2025 |
| № 3992 | S05 | W65 | 05 | 0070 | Beta-Gamma | Feb 13, 2025 | Feb 20, 2025 | Mar 5, 2025 |
| № 3991 | S13 | E05 | 06 | 0020 | Beta | Feb 18, 2025 | Feb 25, 2025 | Mar 11, 2025 |
| № 3990 | S08 | W12 | 42 | 0280 | Beta-Gamma | Feb 17, 2025 | Feb 24, 2025 | Mar 9, 2025 |
| № 3989 | N18 | W26 | 01 | 0270 | Alpha | Feb 16, 2025 | Feb 23, 2025 | Mar 8, 2025 |
| № 3986 | N05 | W74 | 01 | 0090 | Alpha | Feb 12, 2025 | Feb 19, 2025 | Mar 5, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to February 2025. The gray background is the average SSN index.
