Daily Sunspot Evaluation
Observation Sheet Thursday, 31 October 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)
- 5
- Number of spots (f)
- 59
- Relative number (R)
- 109
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19681031.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 3 | 3 | 15E | 124 | |||
| 2 | C – 23 | -16 | 28E | 111 | |||
| 3 | G – 26 | -16 | 36W | 175 | |||
| 4 | ? – 1 | -19 | 76W | 215 | |||
| 5 | C – 6 | 26 | 14W | 153 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.