Daily Sunspot Evaluation
Observation Sheet Friday, 29 December 1967
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)
- 14
- Number of spots (f)
- 101
- Relative number (R)
- 241
- Observer
- LT
- Reading
- counts consistent, some coordinates doubtful
- File
- 19671229.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | -11 | 39E | 191 | |||
| 2 | D – 10 | -13 | 31E | 199 | |||
| 3 | A – 2 | -16 | 38E | 192 | |||
| 4 | A – 3 | -18 | 29E | 201 | |||
| 5 | B – 6 | -16 | 24E | 206 | |||
| 6 | ? – 1 | -28 | 34E | 156 ⚠ | |||
| 7 | D – 14 | -20 | 36E | 194 | |||
| 8 | A – 2 | -23 | 11W | 241 | |||
| 9 | H – 3 | -23 | 22W | 252 | |||
| 10 | B – 3 | -15 | 16W | 246 | |||
| 11 | F – 46 | -16 | 29W | 259 | |||
| 12 | A – 5 | -19 | 53W | 283 | |||
| 13 | D – 4 | -19 | 66W | 296 | |||
| 14 | A – 1 | 13 | 36W | 256 ⚠ |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.