Daily Sunspot Evaluation
Observation Sheet Monday, 23 July 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)
- 71
- Relative number (R)
- 161
- Observer
- AK
- Reading
- all checks consistent
- File
- 19560723.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 16 | 16E | ||||
| 2 | A – 1 | -14 | 34E | ||||
| 3 | E – 30 | -22 | 54E | ||||
| 4 | B – 2 | -12 | 18E | ||||
| 5 | B – 2 | -18 | 24E | ||||
| 6 | A – 1 | -22 | 14W | ||||
| 7 | A – 2 | -33 | 53W | ||||
| 8 | J – 1 | -15 | 36W | ||||
| 9 | E – 31 | 26 | 61W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.