Daily Sunspot Evaluation
Observation Sheet Tuesday, 22 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)
- 93
- Relative number (R)
- 163
- Observer
- AT
- Reading
- all checks consistent
- File
- 19681022.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 68 | 14 | 13E | 242 | |||
| 2 | H – 1 | 15 | 62E | 193 | |||
| 3 | A – 1 | 7 | 33E | 222 | |||
| 4 | ? – 5 | -6 | 78E | 177 | |||
| 5 | H – 9 | -18 | 43E | 212 | |||
| 6 | B – 6 | -12 | 42W | 297 | |||
| 7 | H – 3 | 20 | 65W | 320 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.