Daily Sunspot Evaluation
Observation Sheet Friday, 24 January 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)
- 10
- Number of spots (f)
- 51
- Relative number (R)
- 151
- Observer
- WG
- Reading
- all checks consistent
- File
- 19580124.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 20 | 47E | ||||
| 2 | J – 1 | -7 | 28E | ||||
| 3 | C – 12 | -17 | 21E | ||||
| 4 | J – 1 | -19 | 12W | ||||
| 5 | D – 15 | -24 | 58W | ||||
| 6 | J – 1 | 22 | 47W | ||||
| 7 | A – 3 | 31 | 41W | ||||
| 8 | D – 9 | 22 | 29W | ||||
| 9 | C – 6 | 30 | 79W | ||||
| 10 | J – 1 | 30 | 2W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.