Daily Sunspot Evaluation
Observation Sheet Sunday, 24 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)
- 7
- Number of spots (f)
- 48
- Relative number (R)
- 118
- Observer
- LT
- Reading
- all checks consistent
- File
- 19671224.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | 14 | 32E | 264 | |||
| 2 | E – 24 | -22 | 48E | 248 | |||
| 3 | J – 2 | -20 | 11E | 285 | |||
| 4 | H – 3 | -25 | 15W | 311 | |||
| 5 | B – 2 | -29 | 16W | 312 | |||
| 6 | C – 12 | -17 | 30W | 326 | |||
| 7 | H – 2 | 23 | 39W | 335 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.