Daily Sunspot Evaluation
Observation Sheet Thursday, 6 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)
- 3
- Number of spots (f)
- 37
- Relative number (R)
- 67
- Observer
- DK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19661006.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 14 | 21 | 31E | 28 ⚠ | |||
| 2 | B – 16 | 23 | 41E | 351 | |||
| 3 | B – 7 | -23 | 7W | 40 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.