Daily Sunspot Evaluation
Observation Sheet Tuesday, 11 October 1966
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)
- 7
- Number of spots (f)
- 36
- Relative number (R)
- 106
- Observer
- DK
- Reading
- all checks consistent
- File
- 19661011.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 7 | 22 | 53°E | 277 | |||
| 2 | ? – 2 | 19 | 75°E | 249 | |||
| 3 | ? – 1 | 6 | 75°E | 455 | |||
| 4 | A – 1 | -23 | 64°W | 334 | |||
| 5 | B – 13 | 20 | 35°W | 361 | |||
| 6 | A – 2 | 23 | 20°W | 350 | |||
| 7 | C – 10 | 23 | 09°W | 339 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.