Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 15, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 314 | S14 | W00 | 14 | 0080 | Beta-Gamma | Mar 16, 2003 | Mar 23, 2003 | Apr 5, 2003 |
| № 313 | N33 | W14 | 06 | 0070 | Beta | Mar 15, 2003 | Mar 22, 2003 | Apr 5, 2003 |
| № 311 | S13 | W22 | 13 | 0080 | Beta | Mar 14, 2003 | Mar 21, 2003 | Apr 4, 2003 |
| № 308 | N11 | W07 | 03 | 0010 | Beta | Mar 15, 2003 | Mar 22, 2003 | Apr 5, 2003 |
| № 306 | N07 | W19 | 16 | 0580 | Beta-Gamma | Mar 15, 2003 | Mar 21, 2003 | Apr 4, 2003 |
| № 300 | N17 | W81 | 02 | 0020 | Alpha | Mar 10, 2003 | Mar 17, 2003 | Mar 30, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to March 2003. The gray background is the average SSN index.