Daily Sunspot Evaluation
Observation Sheet Friday, 6 February 1959
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)
- 41
- Relative number (R)
- 121
- Observer
- AK
- Reading
- all checks consistent
- File
- 19590206.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 4 | 9 | 14E | ||||
| 2 | D – 10 | 27 | 50E | ||||
| 3 | J – 3 | 9 | 24E | ||||
| 4 | H – 5 | 20 | 53E | ||||
| 5 | B – 5 | -12 | 7E | ||||
| 6 | H – 7 | 14 | 40W | ||||
| 7 | B – 4 | 20 | 34W | ||||
| 8 | C – 3 | 22 | 27W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.