Daily Sunspot Evaluation
Observation Sheet Friday, 6 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)
- 10
- Number of spots (f)
- 75
- Relative number (R)
- 175
- Observer
- HE
- Reading
- all checks consistent
- File
- 19890106.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 2 | 18 | 26E | 12 | 23E | 1.0 | 11 |
| 2 | EKC – 16 | 10 | 26E | 12 | 23E | 13.5 | 10 |
| 3 | FKC – 16 | 27 | 36E | 2 | 33E | 12.5 | 12 |
| 4 | AX – 1 | 30 | 70E | 328 | 67E | 1.0 | 13 |
| 5 | ? – 5 | -20 | 76W | 114 | 79W | 13.0 | 9 |
| 6 | CAI – 10 | -18 | 61W | 99 | 64W | 9.0 | 12 |
| 7 | BRO – 7 | -27 | 47E | 351 | 44E | 7.5 | 15 |
| 8 | EKO – 11 | -19 | 52E | 346 | 49E | 10.0 | 16 |
| 9 | CKO – 5 | -14 | 70E | 328 | 67E | 10.0 | 12 |
| 10 | ? – 2 | -31 | 85E | 313 | 82E | 10.0 | 19 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.