No image for the selected date
Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on July 19, 1998. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8275 | N14 | E39 | 01 | 0000 | ALPHA | Jul 23, 1998 | Jul 30, 1998 | Aug 12, 1998 |
| № 8274 | S20 | W17 | 10 | 0090 | BETA | Jul 19, 1998 | Jul 25, 1998 | Aug 8, 1998 |
| № 8273 | S27 | W18 | 06 | 0020 | BETA | Jul 18, 1998 | Jul 25, 1998 | Aug 8, 1998 |
| № 8272 | S28 | E18 | 02 | 0000 | BETA | Jul 21, 1998 | Jul 28, 1998 | Aug 11, 1998 |
| № 8270 | S22 | W36 | 07 | 0020 | BETA | Jul 17, 1998 | Jul 24, 1998 | Aug 7, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1969 to July 1998. The gray background is the average SSN index.
