Daily Sunspot Evaluation
Observation Sheet Monday, 15 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)
- 8
- Number of spots (f)
- 31
- Relative number (R)
- 111
- Observer
- AK
- Reading
- all checks consistent
- File
- 19561015.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 3 | -23 | 36E | ||||
| 2 | A – 1 | -15 | 23E | ||||
| 3 | B – 5 | -21 | 3E | ||||
| 4 | C – 11 | -21 | 8W | ||||
| 5 | B – 6 | -11 | 30W | ||||
| 6 | ? – 1 | -26 | 80W | ||||
| 7 | B – 2 | 25 | 65W | ||||
| 8 | H – 2 | 22 | 32W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.