Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on June 18, 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) | |
|---|---|---|---|---|---|---|---|---|
| № 386 | S07 | E58 | 17 | 0310 | Beta-Gamma | Jun 23, 2003 | Jun 30, 2003 | Jul 14, 2003 |
| № 385 | N28 | E04 | 08 | 0050 | Beta | Jun 19, 2003 | Jun 26, 2003 | Jul 10, 2003 |
| № 383 | N20 | W56 | 07 | 0020 | Beta | Jun 15, 2003 | Jun 22, 2003 | Jul 5, 2003 |
| № 380 | S15 | W64 | 08 | 0140 | Beta | Jun 14, 2003 | Jun 21, 2003 | Jul 5, 2003 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1974 to June 2003. The gray background is the average SSN index.
