Daily Sunspot Evaluation
Observation Sheet Friday, 19 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)
- 7
- Number of spots (f)
- 50
- Relative number (R)
- 120
- Observer
- KA
- Reading
- all checks consistent
- File
- 19561019.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 23 | 30E | ||||
| 2 | C – 9 | 17 | 62E | ||||
| 3 | B – 6 | -47 | 57E | ||||
| 4 | D – 19 | -8 | 13W | ||||
| 5 | C – 6 | -21 | 59W | ||||
| 6 | F – 1 | 22 | 84W | ||||
| 7 | B – 7 | 17 | 30W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.