Daily Sunspot Evaluation
Observation Sheet Wednesday, 23 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)
- 7
- Number of spots (f)
- 67
- Relative number (R)
- 137
- Observer
- SM
- Reading
- all checks consistent
- File
- 19681023.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 46 | 15 | 0 | 242 | |||
| 2 | A – 1 | 15 | 49E | 193 | |||
| 3 | A – 1 | 6 | 16E | 226 | |||
| 4 | ? – 7 | -16 | 66E | 176 | |||
| 5 | H – 5 | -18 | 28E | 214 | |||
| 6 | A – 4 | -11 | 57W | 299 | |||
| 7 | ? – 3 | 21 | 80W | 322 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.