Daily Sunspot Evaluation
Observation Sheet Wednesday, 5 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)
- 12
- Number of spots (f)
- 60
- Relative number (R)
- 180
- Observer
- MH
- Reading
- all checks consistent
- File
- 19580205.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 26 | 6E | ||||
| 2 | A – 2 | 12 | 6E | ||||
| 3 | C – 5 | 20 | 37E | ||||
| 4 | A – 4 | -11 | 20E | ||||
| 5 | H – 5 | -14 | 38E | ||||
| 6 | A – 2 | -15 | 64E | ||||
| 7 | D – 14 | -18 | 53E | ||||
| 8 | E – 18 | -13 | 12E | ||||
| 9 | B – 2 | -7 | 61W | ||||
| 10 | A – 2 | 20 | 59W | ||||
| 11 | B – 3 | 30 | 62W | ||||
| 12 | J – 1 | 10 | 15W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.