Daily Sunspot Evaluation
Observation Sheet Sunday, 6 December 1959
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)
- 9
- Number of spots (f)
- 102
- Relative number (R)
- 192
- Observer
- ET
- Reading
- all checks consistent
- File
- 19591206.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 7 | 19 | 32E | ||||
| 2 | J – 2 | 14 | 26E | ||||
| 3 | J – 1 | 7 | 40E | ||||
| 4 | A – 7 | -12 | 20E | ||||
| 5 | B – 8 | -15 | 24E | ||||
| 6 | ? – 1 | -18 | 72W | ||||
| 7 | E – 11 | 8 | 66W | ||||
| 8 | F – 60 | 10 | 12W | ||||
| 9 | B – 5 | 18 | 6W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.