Daily Sunspot Evaluation
Observation Sheet Tuesday, 29 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)
- 15
- Number of spots (f)
- 209
- Relative number (R)
- 359
- Observer
- —
- Reading
- all checks consistent
- File
- 19591229.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 8 | 19 | 23E | ||||
| 2 | H – 5 | 17 | 65E | ||||
| 3 | E – 17 | 10 | 51E | ||||
| 4 | E – 21 | 9 | 37E | ||||
| 5 | J – 3 | -5 | 37E | ||||
| 6 | H – 3 | -5 | 28E | ||||
| 7 | B – 2 | -11 | 18E | ||||
| 8 | F – 67 | -11 | 8W | ||||
| 9 | H – 2 | 5 | 1W | ||||
| 10 | J – 1 | 6 | 15W | ||||
| 11 | B – 5 | 11 | 6W | ||||
| 12 | E – 18 | 12 | 15W | ||||
| 13 | D – 14 | 16 | 56W | ||||
| 14 | C – 4 | 20 | 47W | ||||
| 15 | E – 39 | 24 | 23W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.