Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 13, 2026. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 4393 | N13 | E39 | 05 | 0030 | Beta | Mar 17, 2026 | Mar 24, 2026 | Apr 6, 2026 |
| № 4392 | S16 | E67 | 01 | 0080 | Alpha | Mar 19, 2026 | Mar 26, 2026 | Apr 8, 2026 |
| № 4391 | N05 | E23 | 05 | 0030 | Beta | Mar 16, 2026 | Mar 22, 2026 | Apr 5, 2026 |
| № 4390 | N26 | E03 | 02 | 0010 | Beta | Mar 14, 2026 | Mar 21, 2026 | Apr 4, 2026 |
| № 4389 | N12 | E28 | 01 | 0010 | Alpha | Mar 16, 2026 | Mar 23, 2026 | Apr 5, 2026 |
| № 4388 | S14 | W58 | 04 | 0010 | Beta | Mar 9, 2026 | Mar 16, 2026 | Mar 30, 2026 |
| № 4387 | N08 | E11 | 01 | 0010 | Alpha | Mar 15, 2026 | Mar 21, 2026 | Apr 4, 2026 |
| № 4384 | N08 | W66 | 05 | 0210 | Beta | Mar 9, 2026 | Mar 16, 2026 | Mar 29, 2026 |
| № 4381 | N09 | W94 | 02 | 0080 | Alpha | Mar 7, 2026 | Mar 14, 2026 | Mar 27, 2026 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1997 to March 2026. The gray background is the average SSN index.
