Daily Sunspot Evaluation
Observation Sheet Tuesday, 1 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)
- 8
- Number of spots (f)
- 125
- Relative number (R)
- 205
- Observer
- ET
- Reading
- all checks consistent
- File
- 19591201.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 67 | 8 | 6E | ||||
| 2 | B – 11 | 21 | 22E | ||||
| 3 | D – 11 | 10 | 60E | ||||
| 4 | ? – 4 | 5 | 68W | ||||
| 5 | ? – 3 | 16 | 73W | ||||
| 6 | ? – 2 | 22 | 72W | ||||
| 7 | C – 21 | 21 | 80W | ||||
| 8 | B – 6 | 12 | 16W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.