Daily Sunspot Evaluation
Observation Sheet Thursday, 6 February 1958
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)
- 11
- Number of spots (f)
- 94
- Relative number (R)
- 204
- Observer
- WG
- Reading
- all checks consistent
- File
- 19580206.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 5 | 19 | 24E | ||||
| 2 | B – 7 | 26 | 50E | ||||
| 3 | A – 3 | -8 | 27E | ||||
| 4 | A – 2 | -15 | 51E | ||||
| 5 | F – 36 | -16 | 38E | ||||
| 6 | A – 1 | -11 | 7E | ||||
| 7 | G – 32 | -13 | 2W | ||||
| 8 | A – 1 | 10 | 42W | ||||
| 9 | B – 2 | 9 | 27W | ||||
| 10 | E – 3 | 30 | 75W | ||||
| 11 | A – 2 | 26 | 6W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.