Daily Sunspot Evaluation
Observation Sheet Wednesday, 27 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)
- 61
- Relative number (R)
- 131
- Observer
- SM
- Reading
- all checks consistent
- File
- 19671227.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 10 | -15 | 60E | 197 | EE | ||
| 2 | A – 4 | -27 | 63E | 194 | E | ||
| 3 | G – 8 | -22 | 9E | 248 | |||
| 4 | E – 34 | -16 | 1W | 258 | |||
| 5 | F – 3 | -25 | 54W | 311 | |||
| 6 | A – 1 | -17 | 75W | 332 | E | ||
| 7 | ? – 1 | 22 | 80W | 337 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.