Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 28, 2023. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3238 | N08 | E64 | 01 | 0050 | Alpha | Mar 6, 2023 | Mar 12, 2023 | Mar 26, 2023 |
| № 3237 | S08 | W10 | 03 | 0010 | Beta | Feb 28, 2023 | Mar 7, 2023 | Mar 20, 2023 |
| № 3236 | S27 | W30 | 20 | 0140 | Beta | Feb 27, 2023 | Mar 6, 2023 | Mar 20, 2023 |
| № 3235 | N19 | W43 | 02 | 0010 | Beta | Feb 26, 2023 | Mar 4, 2023 | Mar 18, 2023 |
| № 3234 | N25 | W20 | 40 | 0750 | Beta-Gamma-Delta | Feb 27, 2023 | Mar 6, 2023 | Mar 20, 2023 |
| № 3230 | S23 | W44 | 03 | 0030 | Beta | Feb 25, 2023 | Mar 4, 2023 | Mar 18, 2023 |
| № 3229 | N26 | W72 | 04 | 0040 | Beta | Feb 23, 2023 | Mar 2, 2023 | Mar 16, 2023 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to February 2023. The gray background is the average SSN index.
