Daily Sunspot Evaluation
Observation Sheet Monday, 7 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)
- 8
- Number of spots (f)
- 88
- Relative number (R)
- 168
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19681007.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 30 | 18 | 09E | 86 | |||
| 2 | ? – 2 | -13 | 88E | 7 | |||
| 3 | A – 3 | -11 | 06E | 89 | |||
| 4 | E – 31 | 4 | 09W | 104 | |||
| 5 | ? – 1 | -15 | 90W | 185 | |||
| 6 | B – 6 | 25 | 57W | 152 | |||
| 7 | B – 8 | 15 | 17W | 112 | |||
| 8 | B – 7 | 17 | 03W | 98 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.