Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 4, 2021. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2838 | N24 | W86 | 03 | 0030 | Beta | Jun 28, 2021 | Jul 5, 2021 | Jul 19, 2021 |
| № 2837 | N17 | E03 | 04 | 0020 | Beta | Jul 5, 2021 | Jul 12, 2021 | Jul 26, 2021 |
| № 2836 | S26 | W48 | 01 | 0010 | Alpha | Jul 1, 2021 | Jul 8, 2021 | Jul 22, 2021 |
| № 2835 | S18 | W41 | 33 | 0620 | Beta-Delta | Jul 2, 2021 | Jul 9, 2021 | Jul 22, 2021 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1992 to July 2021. The gray background is the average SSN index.
