Daily Sunspot Evaluation
Observation Sheet Saturday, 25 October 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)
- 14
- Number of spots (f)
- 115
- Relative number (R)
- 255
- Observer
- ET
- Reading
- all checks consistent
- File
- 19581025.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 8 | 17 | 2E | ||||
| 2 | B – 3 | 23 | 14E | ||||
| 3 | J – 1 | 30 | 54E | ||||
| 4 | B – 13 | 7 | 8E | ||||
| 5 | A – 7 | -6 | 21E | ||||
| 6 | J – 1 | -15 | 69E | ||||
| 7 | J – 4 | -16 | 51E | ||||
| 8 | A – 1 | -32 | 28E | ||||
| 9 | J – 4 | -20 | 10E | ||||
| 10 | J – 1 | -7 | 15W | ||||
| 11 | F – 43 | -12 | 41W | ||||
| 12 | B – 2 | 0 | 30W | ||||
| 13 | H – 15 | -4 | 67W | ||||
| 14 | B – 12 | 15 | 32W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.