No image for the selected date
Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on December 30, 1997. 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) | |
|---|---|---|---|---|---|---|---|---|
| № 8130 | S29 | E27 | 05 | 0020 | BETA | Jan 2, 1998 | Jan 9, 1998 | Jan 24, 1998 |
| № 8129 | N28 | E33 | 03 | 0010 | BETA | Jan 3, 1998 | Jan 10, 1998 | Jan 24, 1998 |
| № 8128 | N27 | W90 | 02 | 0010 | BETA | Dec 24, 1997 | Dec 31, 1997 | Jan 14, 1998 |
| № 8126 | N19 | E02 | 07 | 0230 | BETA | Dec 31, 1997 | Jan 7, 1998 | Jan 21, 1998 |
| № 8124 | S20 | W40 | 12 | 0200 | BETA-GAMMA-DELTA | Dec 28, 1997 | Jan 4, 1998 | Jan 18, 1998 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1968 to December 1997. The gray background is the average SSN index.
