Daily Sunspot Evaluation
Observation Sheet Tuesday, 4 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)
- 9
- Number of spots (f)
- 65
- Relative number (R)
- 155
- Observer
- KA
- Reading
- all checks consistent
- File
- 19560904.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 6 | 27 | 1E | ||||
| 2 | B – 4 | 9 | 17E | ||||
| 3 | B – 4 | -13 | 45E | ||||
| 4 | C – 4 | -29 | 41W | ||||
| 5 | J – 1 | 14 | 24W | ||||
| 6 | E – 6 | 18 | 35W | ||||
| 7 | D – 21 | 22 | 54W | ||||
| 8 | ? – 1 | 24 | 87W | ||||
| 9 | C – 18 | 33 | 18W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.