Daily Sunspot Evaluation
Observation Sheet Wednesday, 6 March 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)
- 38
- Relative number (R)
- 148
- Observer
- AK
- Reading
- all checks consistent
- File
- 19570306.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | -7 | 69E | ||||
| 2 | A – 2 | -19 | 72E | ||||
| 3 | A – 1 | -23 | 75E | ||||
| 4 | C – 7 | -27 | 51E | ||||
| 5 | C – 8 | -20 | 10E | ||||
| 6 | A – 2 | -13 | 5W | ||||
| 7 | D – 4 | -14 | 40W | ||||
| 8 | A – 1 | -15 | 72W | ||||
| 9 | A – 3 | 21 | 49W | ||||
| 10 | ? – 1 | 33 | 74W | ||||
| 11 | G – 6 | 30 | 9W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.