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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 29, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2315 | S19 | W16 | 02 | 0010 | Beta | Mar 29, 2015 | Apr 5, 2015 | Apr 18, 2015 |
| № 2313 | N17 | E11 | 01 | 0030 | Alpha | Mar 31, 2015 | Apr 7, 2015 | Apr 20, 2015 |
| № 2309 | N15 | W87 | 04 | 0080 | Beta | Mar 23, 2015 | Mar 30, 2015 | Apr 13, 2015 |
| № 2305 | S08 | W19 | 22 | 0410 | Beta-Gamma | Mar 29, 2015 | Apr 4, 2015 | Apr 18, 2015 |
| № 2303 | N18 | W78 | 03 | 0050 | Beta | Mar 24, 2015 | Mar 31, 2015 | Apr 14, 2015 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1986 to March 2015. The gray background is the average SSN index.
