Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 13, 2011. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1251 | N16 | E59 | 01 | 0100 | Alpha | Jul 18, 2011 | Jul 25, 2011 | Aug 8, 2011 |
| № 1250 | S27 | E20 | 04 | 0140 | Beta-Gamma | Jul 15, 2011 | Jul 22, 2011 | Aug 5, 2011 |
| № 1249 | S16 | W12 | 02 | 0020 | Beta | Jul 13, 2011 | Jul 20, 2011 | Aug 2, 2011 |
| № 1247 | S18 | W38 | 04 | 0030 | Beta-Gamma | Jul 11, 2011 | Jul 18, 2011 | Aug 1, 2011 |
| № 1245 | N15 | W06 | 01 | 0010 | Alpha | Jul 13, 2011 | Jul 20, 2011 | Aug 3, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to July 2011. The gray background is the average SSN index.
