Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 21, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2847 | S29 | E76 | 03 | 0020 | Beta | Jul 28, 2021 | Aug 4, 2021 | Aug 18, 2021 |
| № 2846 | N25 | E65 | 05 | 0090 | Beta | Jul 27, 2021 | Aug 3, 2021 | Aug 17, 2021 |
| № 2845 | S15 | W48 | 01 | 0000 | Alpha | Jul 18, 2021 | Jul 25, 2021 | Aug 8, 2021 |
| № 2842 | N25 | W52 | 10 | 0140 | Beta | Jul 18, 2021 | Jul 25, 2021 | Aug 8, 2021 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1992 to July 2021. The gray background is the average SSN index.
