Daily Sunspot Evaluation
Observation Sheet Sunday, 19 August 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)
- 13
- Number of spots (f)
- 115
- Relative number (R)
- 245
- Observer
- KA
- Reading
- all checks consistent
- File
- 19560819.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 48 | 47E | ||||
| 2 | H – 9 | 21 | 15E | ||||
| 3 | B – 4 | 26 | 30E | ||||
| 4 | A – 1 | 23 | 53E | ||||
| 5 | B – 4 | -12 | 68E | ||||
| 6 | E – 20 | -22 | 59E | ||||
| 7 | D – 19 | -21 | 32E | ||||
| 8 | D – 23 | -18 | 11E | ||||
| 9 | B – 17 | -25 | 4W | ||||
| 10 | A – 1 | -32 | 53W | ||||
| 11 | H – 7 | -21 | 51W | ||||
| 12 | J – 1 | -14 | 62W | ||||
| 13 | D – 7 | 32 | 49W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.