Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 27, 2003. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 323 | S07 | E43 | 07 | 0050 | Beta | Mar 31, 2003 | Apr 7, 2003 | Apr 20, 2003 |
| № 322 | N19 | W84 | 02 | 0060 | Alpha | Mar 21, 2003 | Mar 28, 2003 | Apr 11, 2003 |
| № 321 | N05 | E53 | 15 | 0350 | Beta-Gamma | Apr 1, 2003 | Apr 8, 2003 | Apr 21, 2003 |
| № 320 | N05 | W18 | 05 | 0020 | Alpha | Mar 26, 2003 | Apr 2, 2003 | Apr 16, 2003 |
| № 319 | N13 | E15 | 17 | 0120 | Beta | Mar 29, 2003 | Apr 5, 2003 | Apr 18, 2003 |
| № 318 | S15 | E24 | 10 | 0040 | Beta | Mar 30, 2003 | Apr 5, 2003 | Apr 19, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to March 2003. The gray background is the average SSN index.