Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 16, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 411 | N16 | E62 | 02 | 0110 | Beta | Jul 22, 2003 | Jul 29, 2003 | Aug 11, 2003 |
| № 410 | S12 | E38 | 03 | 0020 | Beta | Jul 20, 2003 | Jul 27, 2003 | Aug 9, 2003 |
| № 409 | N15 | E41 | 29 | 0490 | Beta | Jul 20, 2003 | Jul 27, 2003 | Aug 10, 2003 |
| № 408 | N13 | W04 | 04 | 0020 | Beta | Jul 17, 2003 | Jul 24, 2003 | Aug 6, 2003 |
| № 407 | N09 | W24 | 06 | 0030 | Beta | Jul 15, 2003 | Jul 22, 2003 | Aug 5, 2003 |
| № 406 | S18 | W66 | 01 | 0030 | Alpha | Jul 12, 2003 | Jul 19, 2003 | Aug 2, 2003 |
| № 405 | S11 | E13 | 11 | 0100 | Beta | Jul 18, 2003 | Jul 25, 2003 | Aug 7, 2003 |
| № 404 | S11 | W41 | 01 | 0000 | Alpha | Jul 14, 2003 | Jul 21, 2003 | Aug 3, 2003 |
| № 401 | S10 | W57 | 07 | 0100 | Beta | Jul 13, 2003 | Jul 19, 2003 | Aug 2, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to July 2003. The gray background is the average SSN index.