Daily Sunspot Evaluation
Observation Sheet Monday, 10 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)
- 5
- Number of spots (f)
- 90
- Relative number (R)
- 140
- Observer
- AG
- Reading
- all checks consistent
- File
- 19560910.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 3 | -17 | 76E | ||||
| 2 | J – 2 | -23 | 67E | ||||
| 3 | F – 62 | -23 | 18E | ||||
| 4 | D – 18 | -15 | 1W | ||||
| 5 | B – 5 | -12 | 34W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.