Daily Sunspot Evaluation
Observation Sheet Wednesday, 8 February 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)
- 9
- Number of spots (f)
- 61
- Relative number (R)
- 151
- Observer
- MB
- Reading
- all checks consistent
- File
- 19890208.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXI – 6 | 16 | 02W | 325 | 04W | 5.0 | 60 |
| 2 | FKC – 29 | 31 | 38E | 285 | 36E | 18.5 | 77 |
| 3 | OKI – 9 | 20 | 55E | 268 | 53E | 10.0 | 76 |
| 4 | OKO – 2 | 16 | 77E | 246 | 75E | 9.0 | 59 |
| 5 | HS – 2 | -23 | 34W | 357 | 36W | 1.5 | 59 |
| 6 | HS – 2 | -27 | 17W | 340 | 19W | 1.0 | 59 |
| 7 | AX – 3 | -14 | 15W | 338 | 17W | 2.5 | |
| 8 | HS – 1 | -31 | 29E | 294 | 27E | 1.25 | |
| 9 | ? – 7 | -18 | 79E | 244 | 77E | 13.0 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.