Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 21, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3234 | N24 | E76 | 05 | 0080 | Beta | Feb 28, 2023 | Mar 7, 2023 | Mar 21, 2023 |
| № 3233 | N14 | W01 | 01 | 0010 | Alpha | Feb 22, 2023 | Mar 1, 2023 | Mar 14, 2023 |
| № 3232 | N10 | W79 | 01 | 0010 | Alpha | Feb 16, 2023 | Feb 23, 2023 | Mar 8, 2023 |
| № 3231 | N21 | W52 | 08 | 0050 | Beta | Feb 18, 2023 | Feb 25, 2023 | Mar 11, 2023 |
| № 3230 | S23 | E44 | 03 | 0110 | Alpha | Feb 25, 2023 | Mar 4, 2023 | Mar 18, 2023 |
| № 3229 | N26 | E19 | 16 | 0310 | Beta-Delta | Feb 23, 2023 | Mar 2, 2023 | Mar 16, 2023 |
| № 3226 | N10 | W60 | 08 | 0280 | Beta | Feb 17, 2023 | Feb 24, 2023 | Mar 10, 2023 |
| № 3220 | S13 | W69 | 01 | 0120 | Alpha | Feb 17, 2023 | Feb 24, 2023 | Mar 9, 2023 |
| № 3217 | S12 | W85 | 02 | 0130 | Alpha | Feb 16, 2023 | Feb 22, 2023 | Mar 8, 2023 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to February 2023. The gray background is the average SSN index.
