Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 29, 2017. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 2646 | N07 | W74 | 01 | 0010 | Alpha | Mar 24, 2017 | Mar 31, 2017 | Apr 14, 2017 |
| № 2645 | S09 | E44 | 08 | 0070 | Beta-Gamma | Apr 2, 2017 | Apr 9, 2017 | Apr 23, 2017 |
| № 2644 | N12 | E04 | 12 | 0240 | Beta | Mar 30, 2017 | Apr 6, 2017 | Apr 20, 2017 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1988 to March 2017. The gray background is the average SSN index.
