Daily Sunspot Evaluation
Observation Sheet Saturday, 7 December 1968
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)
- 6
- Number of spots (f)
- 95
- Relative number (R)
- 155
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19681207.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 18 | 28E | 342 | |||
| 2 | ? – 3 | -34 | 85E | 285 | |||
| 3 | B – 7 | -14 | 06W | 16 | |||
| 4 | G – 6 | -12 | 29W | 39 | |||
| 5 | F – 76 | 12 | 20W | 30 | |||
| 6 | A – 1 | 26 | 42W | 52 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.