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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on January 15, 2015. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2262 | S01 | W68 | 01 | 0010 | Alpha | Jan 11, 2015 | Jan 18, 2015 | Jan 31, 2015 |
| № 2261 | S11 | E04 | 01 | 0030 | Alpha | Jan 16, 2015 | Jan 23, 2015 | Feb 6, 2015 |
| № 2260 | N10 | W59 | 06 | 0070 | Beta | Jan 12, 2015 | Jan 18, 2015 | Feb 1, 2015 |
| № 2259 | S15 | W13 | 15 | 0260 | Beta-Gamma-Delta | Jan 15, 2015 | Jan 22, 2015 | Feb 5, 2015 |
| № 2257 | N07 | W93 | 03 | 0120 | Beta-Gamma | Jan 9, 2015 | Jan 16, 2015 | Jan 29, 2015 |
| № 2255 | S16 | W89 | 03 | 0080 | Beta | Jan 9, 2015 | Jan 16, 2015 | Jan 30, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to January 2015. The gray background is the average SSN index.
