Daily Sunspot Evaluation
Observation Sheet Saturday, 7 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)
- 11
- Number of spots (f)
- 120
- Relative number (R)
- 230
- Observer
- AK
- Reading
- all checks consistent
- File
- 19560707.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 11 | 24 | 5E | ||||
| 2 | C – 37 | 20 | 30E | ||||
| 3 | C – 14 | 14 | 66E | ||||
| 4 | H – 8 | -21 | 42E | ||||
| 5 | A – 3 | -25 | 21E | ||||
| 6 | C – 19 | -28 | 11W | ||||
| 7 | C – 10 | -25 | 22W | ||||
| 8 | C – 7 | -17 | 32W | ||||
| 9 | A – 1 | 20 | 68W | ||||
| 10 | C – 3 | 30 | 77W | ||||
| 11 | C – 7 | 28 | 34W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.