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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 4, 2014. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2154 | S19 | E19 | 02 | 0030 | Beta | Sep 7, 2014 | Sep 14, 2014 | Sep 27, 2014 |
| № 2153 | S10 | W55 | 10 | 0090 | Beta | Sep 1, 2014 | Sep 8, 2014 | Sep 21, 2014 |
| № 2152 | S15 | W29 | 27 | 0240 | Beta-Gamma | Sep 3, 2014 | Sep 10, 2014 | Sep 24, 2014 |
| № 2151 | S07 | W77 | 02 | 0080 | Alpha | Aug 30, 2014 | Sep 6, 2014 | Sep 20, 2014 |
| № 2150 | S12 | W88 | 01 | 0030 | Alpha | Aug 30, 2014 | Sep 5, 2014 | Sep 19, 2014 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1985 to September 2014. The gray background is the average SSN index.
