Sunspots and active regions — June 23, 2017
Sunspots and active regions
By the end of the day, the following active regions with sunspots could be observed on the Sun's surface
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 2664 | N17 | E49 | 01 | 0050 | Alpha | Jun 28, 2017 | Jul 4, 2017 | Jul 18, 2017 |
| № 2662 | N13 | W49 | 02 | 0030 | Alpha | Jun 20, 2017 | Jun 27, 2017 | Jul 11, 2017 |
Solar cycle progression
Average monthly sunspot number (SSN) from 1988, January to 2017, June. Gray background - average solar cycle.
