Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 17, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3229 | N30 | E72 | 02 | 0240 | Beta | Feb 24, 2023 | Mar 3, 2023 | Mar 17, 2023 |
| № 3226 | N10 | W04 | 17 | 0410 | Beta | Feb 18, 2023 | Feb 24, 2023 | Mar 10, 2023 |
| № 3225 | S21 | W45 | 03 | 0010 | Beta | Feb 14, 2023 | Feb 21, 2023 | Mar 7, 2023 |
| № 3220 | S14 | W14 | 02 | 0150 | Alpha | Feb 17, 2023 | Feb 24, 2023 | Mar 9, 2023 |
| № 3219 | S06 | W39 | 03 | 0010 | Alpha | Feb 15, 2023 | Feb 22, 2023 | Mar 7, 2023 |
| № 3217 | S10 | W32 | 03 | 0170 | Alpha | Feb 15, 2023 | Feb 22, 2023 | Mar 8, 2023 |
| № 3216 | N24 | W57 | 01 | 0110 | Alpha | Feb 13, 2023 | Feb 20, 2023 | Mar 6, 2023 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to February 2023. The gray background is the average SSN index.