Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4160 | S08 | E49 | 01 | 0020 | Alpha | Aug 1, 2025 | Aug 7, 2025 | Aug 21, 2025 |
| № 4159 | S08 | W08 | 03 | 0020 | Beta | Jul 27, 2025 | Aug 3, 2025 | Aug 17, 2025 |
| № 4158 | S15 | W73 | 02 | 0020 | Beta | Jul 22, 2025 | Jul 29, 2025 | Aug 12, 2025 |
| № 4157 | S19 | E28 | 01 | 0030 | Alpha | Jul 30, 2025 | Aug 6, 2025 | Aug 20, 2025 |
| № 4156 | N09 | E38 | 01 | 0010 | Alpha | Jul 31, 2025 | Aug 7, 2025 | Aug 20, 2025 |
| № 4155 | S10 | E34 | 10 | 0070 | Beta | Jul 30, 2025 | Aug 6, 2025 | Aug 20, 2025 |
| № 4154 | S19 | E20 | 03 | 0050 | Alpha | Jul 29, 2025 | Aug 5, 2025 | Aug 19, 2025 |
| № 4153 | S30 | E09 | 09 | 0140 | Beta-Gamma | Jul 29, 2025 | Aug 5, 2025 | Aug 19, 2025 |
| № 4150 | S15 | W23 | 02 | 0050 | Beta | Jul 26, 2025 | Aug 2, 2025 | Aug 16, 2025 |
| № 4149 | N17 | W18 | 04 | 0280 | Beta | Jul 26, 2025 | Aug 2, 2025 | Aug 16, 2025 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1996 to July 2025. The gray background is the average SSN index.
