Daily Sunspot Evaluation
Observation Sheet Wednesday, 10 February 1988
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)
- 3
- Number of spots (f)
- 8
- Relative number (R)
- 38
- Observer
- FL
- Reading
- all checks consistent
- File
- 19880210.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HAX – 1 | 20 | 67W | 154 | 69W | 7 | 24 |
| 2 | BXO – 3 | 27 | 45W | 132 | 47W | 6 | 25 |
| 3 | DAE – 4 | -36 | 65E | 22 | 63E | 8 | 30 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.