Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on June 17, 2005. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 779 | S17 | W08 | 19 | 0240 | Beta | Jun 18, 2005 | Jun 24, 2005 | Jul 8, 2005 |
| № 778 | N08 | W53 | 01 | 0010 | Alpha | Jun 14, 2005 | Jun 21, 2005 | Jul 5, 2005 |
| № 776 | S05 | W80 | 05 | 0270 | Beta | Jun 12, 2005 | Jun 19, 2005 | Jul 3, 2005 |
| № 775 | N10 | W89 | 02 | 0130 | Alpha | Jun 12, 2005 | Jun 18, 2005 | Jul 2, 2005 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to June 2005. The gray background is the average SSN index.