Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 13, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 407 | N10 | E21 | 04 | 0020 | Beta | Jul 15, 2003 | Jul 22, 2003 | Aug 5, 2003 |
| № 406 | S18 | W22 | 06 | 0040 | Beta | Jul 12, 2003 | Jul 19, 2003 | Aug 2, 2003 |
| № 405 | S10 | E54 | 03 | 0120 | Beta | Jul 18, 2003 | Jul 25, 2003 | Aug 7, 2003 |
| № 404 | S09 | W04 | 02 | 0010 | Alpha | Jul 14, 2003 | Jul 20, 2003 | Aug 3, 2003 |
| № 401 | S10 | W15 | 20 | 0190 | Beta | Jul 13, 2003 | Jul 20, 2003 | Aug 2, 2003 |
| № 400 | N05 | W76 | 07 | 0050 | Beta | Jul 8, 2003 | Jul 15, 2003 | Jul 28, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to July 2003. The gray background is the average SSN index.
