Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 19, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 316 | S12 | E68 | 03 | 0030 | Beta | Mar 25, 2003 | Apr 1, 2003 | Apr 14, 2003 |
| № 314 | S16 | W50 | 16 | 0500 | Beta-Gamma-Delta | Mar 16, 2003 | Mar 23, 2003 | Apr 6, 2003 |
| № 311 | S12 | W74 | 02 | 0020 | Alpha | Mar 14, 2003 | Mar 21, 2003 | Apr 4, 2003 |
| № 306 | N07 | W70 | 03 | 0460 | Beta-Gamma | Mar 15, 2003 | Mar 21, 2003 | Apr 4, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to March 2003. The gray background is the average SSN index.
