Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on February 18, 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 | N25 | E60 | 06 | 0400 | Beta | Feb 23, 2023 | Mar 2, 2023 | Mar 16, 2023 |
| № 3226 | N10 | W17 | 12 | 0390 | Beta | Feb 18, 2023 | Feb 24, 2023 | Mar 10, 2023 |
| № 3225 | S21 | W57 | 03 | 0070 | Beta | Feb 14, 2023 | Feb 21, 2023 | Mar 7, 2023 |
| № 3220 | S14 | W27 | 01 | 0140 | Alpha | Feb 17, 2023 | Feb 24, 2023 | Mar 9, 2023 |
| № 3217 | S11 | W45 | 03 | 0150 | Beta | Feb 15, 2023 | Feb 22, 2023 | Mar 8, 2023 |
| № 3216 | N23 | W70 | 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.