Daily Sunspot Evaluation
Observation Sheet Sunday, 12 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)
- 8
- Number of spots (f)
- 130
- Relative number (R)
- 210
- Observer
- KA
- Reading
- all checks consistent
- File
- 19560812.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 57 | 25 | 2E | ||||
| 2 | A – 3 | 24 | 17E | ||||
| 3 | B – 2 | 29 | 58E | ||||
| 4 | J – 1 | -15 | 59E | ||||
| 5 | E – 62 | -17 | 39E | ||||
| 6 | B – 2 | -26 | 2W | ||||
| 7 | J – 1 | 15 | 83WE | ||||
| 8 | B – 2 | 26 | 66W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.