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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on September 21, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2173 | S15 | E65 | 01 | 0020 | Alpha | Sep 27, 2014 | Oct 4, 2014 | Oct 17, 2014 |
| № 2172 | S09 | E75 | 01 | 0030 | Alpha | Sep 28, 2014 | Oct 4, 2014 | Oct 18, 2014 |
| № 2171 | S10 | E53 | 07 | 0160 | Beta | Sep 26, 2014 | Oct 3, 2014 | Oct 16, 2014 |
| № 2170 | N11 | E27 | 02 | 0050 | Alpha | Sep 24, 2014 | Oct 1, 2014 | Oct 14, 2014 |
| № 2169 | N05 | E26 | 02 | 0030 | Alpha | Sep 24, 2014 | Oct 1, 2014 | Oct 14, 2014 |
| № 2168 | S22 | E04 | 02 | 0010 | Alpha | Sep 22, 2014 | Sep 29, 2014 | Oct 13, 2014 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1985 to September 2014. The gray background is the average SSN index.
