Daily Sunspot Evaluation
Observation Sheet Thursday, 4 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)
- 11
- Number of spots (f)
- 116
- Relative number (R)
- 226
- Observer
- AK
- Reading
- all checks consistent
- File
- 19561004.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 50 | 20 | 32E | ||||
| 2 | ? – 2 | 28 | 80E | ||||
| 3 | A – 2 | 23 | 53E | ||||
| 4 | C – 18 | -14 | 57E | ||||
| 5 | G – 3 | -23 | 67E | ||||
| 6 | C – 11 | -19 | 34E | ||||
| 7 | A – 3 | -25 | 11E | ||||
| 8 | A – 2 | -23 | 6E | ||||
| 9 | E – 9 | -28 | 61W | ||||
| 10 | A – 2 | 14 | 75W | ||||
| 11 | G – 14 | 19 | 34W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.