Daily Sunspot Evaluation
Observation Sheet Sunday, 23 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)
- 51
- Relative number (R)
- 191
- Observer
- KA
- Reading
- all checks consistent
- File
- 19560923.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 38 | 10W | ||||
| 2 | C – 6 | 27 | 6W | ||||
| 3 | A – 1 | 24 | 16E | ||||
| 4 | J – 2 | 22 | 44E | ||||
| 5 | A – 4 | -13 | 70E | ||||
| 6 | B – 6 | -17 | 50E | ||||
| 7 | ? – 2 | -28 | 75E | ||||
| 8 | J – 2 | -12 | 28W | ||||
| 9 | A – 1 | -30 | 60W | ||||
| 10 | B – 3 | -16 | 60W | ||||
| 11 | C – 7 | 12 | 12W | ||||
| 12 | J – 2 | 26 | 59W | ||||
| 13 | C – 10 | 23 | 84W | ||||
| 14 | A – 3 | 30 | 27W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.