Daily Sunspot Evaluation
Observation Sheet Tuesday, 8 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)
- 89
- Relative number (R)
- 179
- Observer
- ET
- Reading
- all checks consistent
- File
- 19591208.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 9 | 18 | 5E | ||||
| 2 | A – 2 | 30 | 38E | ||||
| 3 | H – 13 | 8 | 11E | ||||
| 4 | B – 5 | -16 | 9E | ||||
| 5 | B – 4 | -15 | 2W | ||||
| 6 | E – 52 | 10 | 40W | ||||
| 7 | A – 1 | 18 | 35W | ||||
| 8 | A – 2 | 12 | 25W | ||||
| 9 | A – 1 | 14 | 1W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.