Daily Sunspot Evaluation
Observation Sheet Monday, 31 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)
- 47
- Relative number (R)
- 87
- Observer
- ET
- Reading
- all checks consistent
- File
- 19601031.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 15 | 15 | 17E | ||||
| 2 | D – 14 | -8 | 48E | ||||
| 3 | A – 2 | -20 | 41W | ||||
| 4 | H – 16 | 21 | 1W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.