Daily Sunspot Evaluation
Observation Sheet Tuesday, 6 August 1957
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)
- 99
- Relative number (R)
- 209
- Observer
- YÖ
- Reading
- all checks consistent
- File
- 19570806.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 2 | 14 | 19E | ||||
| 2 | D – 13 | 8 | 8E | ||||
| 3 | B – 6 | -14 | 71E | ||||
| 4 | B – 4 | -21 | 59E | ||||
| 5 | ? – 2 | -36 | 77E | ||||
| 6 | H – 16 | -30 | 49W | ||||
| 7 | H – 6 | -28 | 66W | ||||
| 8 | A – 2 | 14 | 57W | ||||
| 9 | A – 2 | 34 | 64W | ||||
| 10 | E – 44 | 27 | 24W | ||||
| 11 | A – 2 | 30 | 5W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.