Daily Sunspot Evaluation
Observation Sheet Tuesday, 25 October 1960
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)
- 4
- Number of spots (f)
- 23
- Relative number (R)
- 63
- Observer
- ET
- Reading
- all checks consistent
- File
- 19601025.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 3 | 21 | 82E | ||||
| 2 | J – 1 | -12 | 67W | ||||
| 3 | A – 4 | 10 | 50W | ||||
| 4 | H – 15 | 20 | 54W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.