Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 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) | |
|---|---|---|---|---|---|---|---|---|
| № 3256 | S21 | E75 | 01 | 0060 | Alpha | Mar 25, 2023 | Apr 1, 2023 | Apr 14, 2023 |
| № 3254 | S24 | W67 | 04 | 0030 | Beta | Mar 14, 2023 | Mar 21, 2023 | Apr 4, 2023 |
| № 3252 | N13 | W33 | 01 | 0010 | Alpha | Mar 16, 2023 | Mar 23, 2023 | Apr 6, 2023 |
| № 3251 | S13 | W33 | 01 | 0040 | Alpha | Mar 16, 2023 | Mar 23, 2023 | Apr 6, 2023 |
| № 3247 | S24 | W76 | 01 | 0010 | Alpha | Mar 13, 2023 | Mar 20, 2023 | Apr 3, 2023 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1994 to March 2023. The gray background is the average SSN index.
