Daily Sunspot Evaluation
Observation Sheet Wednesday, 4 January 1989
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 8
- Number of spots (f)
- 86
- Relative number (R)
- 166
- Observer
- YK
- Reading
- all checks consistent
- File
- 19890104.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EAI – 15 | 11 | 53E | 11 | 51E | 13.0 | 10 |
| 2 | HA – 1 | 18 | 53E | 11 | 51E | 1.0 | 11 |
| 3 | EKI – 14 | 27 | 63E | 1 | 61E | 12.0 | 13 |
| 4 | EKC – 6 | -16 | 65W | 129 | 67W | 12.0 | 8 |
| 5 | EKC – 25 | -18 | 51W | 115 | 53W | 12.5 | 9 |
| 6 | CAI – 18 | -18 | 32W | 96 | 34W | 8.0 | 12 |
| 7 | AX – 2 | -26 | 71E | 353 | 69E | 3.0 | 15 |
| 8 | ? – 5 | -18 | 78E | 346 | 76E | 12.5 | 16 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.