Daily Sunspot Evaluation
Observation Sheet Tuesday, 23 October 1956
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)
- 9
- Number of spots (f)
- 49
- Relative number (R)
- 139
- Observer
- ET
- Reading
- all checks consistent
- File
- 19561023.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 17 | 17 | 13E | ||||
| 2 | ? – 4 | 13 | 70E | ||||
| 3 | ? – 1 | -17 | 78E | ||||
| 4 | ? – 5 | -28 | 61E | ||||
| 5 | B – 6 | -22 | 30E | ||||
| 6 | A – 1 | -14 | 25E | ||||
| 7 | B – 10 | -44 | 4E | ||||
| 8 | C – 4 | -11 | 68W | ||||
| 9 | A – 1 | 34 | 51W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.