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Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 27, 2011. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 1181 | S25 | E56 | 01 | 0010 | Alpha | Apr 1, 2011 | Apr 8, 2011 | Apr 22, 2011 |
| № 1180 | N25 | E54 | 01 | 0070 | Alpha | Apr 1, 2011 | Apr 8, 2011 | Apr 22, 2011 |
| № 1179 | N08 | W60 | 02 | 0010 | Beta | Mar 23, 2011 | Mar 30, 2011 | Apr 13, 2011 |
| № 1178 | S15 | E44 | 07 | 0130 | Beta | Mar 31, 2011 | Apr 7, 2011 | Apr 21, 2011 |
| № 1177 | N20 | E12 | 05 | 0030 | Beta | Mar 29, 2011 | Apr 5, 2011 | Apr 19, 2011 |
| № 1176 | S16 | E17 | 28 | 0420 | Beta-Gamma | Mar 29, 2011 | Apr 5, 2011 | Apr 19, 2011 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1982 to March 2011. The gray background is the average SSN index.
