Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 20, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 415 | N13 | E26 | 11 | 0040 | Beta | Jul 23, 2003 | Jul 30, 2003 | Aug 13, 2003 |
| № 414 | S01 | E41 | 02 | 0110 | Alpha | Jul 24, 2003 | Jul 31, 2003 | Aug 14, 2003 |
| № 413 | N18 | E05 | 01 | 0020 | Alpha | Jul 22, 2003 | Jul 29, 2003 | Aug 11, 2003 |
| № 412 | N16 | W24 | 17 | 0110 | Beta-Gamma | Jul 19, 2003 | Jul 26, 2003 | Aug 9, 2003 |
| № 411 | N15 | E09 | 01 | 0040 | Alpha | Jul 22, 2003 | Jul 29, 2003 | Aug 11, 2003 |
| № 410 | S12 | W17 | 38 | 0310 | Beta-Gamma | Jul 20, 2003 | Jul 27, 2003 | Aug 9, 2003 |
| № 409 | N15 | W12 | 26 | 0120 | Beta | Jul 20, 2003 | Jul 27, 2003 | Aug 10, 2003 |
| № 405 | S10 | W47 | 02 | 0030 | Alpha | Jul 18, 2003 | Jul 25, 2003 | Aug 7, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to July 2003. The gray background is the average SSN index.
