Daily Sunspot Evaluation
Observation Sheet Wednesday, 22 October 1969
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)
- 77
- Relative number (R)
- 137
- Observer
- SK
- Reading
- all checks consistent
- File
- 19691022.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 7 | 10 | 28E | 88 | |||
| 2 | F – 52 | 10 | 53E | 63 | |||
| 3 | G – 3 | -13 | 58E | 58 | |||
| 4 | C – 9 | -29 | 12E | 104 | |||
| 5 | B – 5 | -12 | 24W | 140 | |||
| 6 | A – 1 | 15 | 63W | 179 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.