Daily Sunspot Evaluation
Observation Sheet Friday, 14 September 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)
- 14
- Number of spots (f)
- 125
- Relative number (R)
- 265
- Observer
- ET
- Reading
- all checks consistent
- File
- 19560914.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 12 | 23 | 36E | ||||
| 2 | ? – 1 | 30 | 85E | ||||
| 3 | Y – 1 | 25 | 60E | ||||
| 4 | B – 7 | -14 | 70E | ||||
| 5 | J – 2 | -30 | 55E | ||||
| 6 | E – 42 | -18 | 30E | ||||
| 7 | Y – 2 | -24 | 18E | ||||
| 8 | E – 31 | -24 | 35W | ||||
| 9 | A – 2 | -17 | 48W | ||||
| 10 | C – 4 | -15 | 61W | ||||
| 11 | A – 2 | 15 | 35W | ||||
| 12 | D – 8 | 22 | 62W | ||||
| 13 | B – 4 | 20 | 4W | ||||
| 14 | C – 7 | 44 | 21W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.