Daily Sunspot Evaluation
Observation Sheet Friday, 7 February 1986
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)
- 2
- Number of spots (f)
- 23
- Relative number (R)
- 43
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19860207.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DKI – 17 | -8 | 23W | 63 | 23W | 06 35 | |
| 2 | CAO – 6 | -1 | 21E | 19 | 21E | 04 5.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.