Daily Sunspot Evaluation
Observation Sheet Tuesday, 11 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)
- 10
- Number of spots (f)
- 99
- Relative number (R)
- 199
- Observer
- ET
- Reading
- all checks consistent
- File
- 19601011.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 19 | 55E | ||||
| 2 | J – 1 | -7 | 65E | ||||
| 3 | ? – 8 | -14 | 64E | ||||
| 4 | B – 16 | -18 | 18W | ||||
| 5 | C – 22 | -12 | 38W | ||||
| 6 | A – 1 | 4 | 35W | ||||
| 7 | A – 2 | 4 | 54W | ||||
| 8 | D – 9 | 8 | 55W | ||||
| 9 | B – 18 | 10 | 13W | ||||
| 10 | C – 21 | 12 | 1W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.