Daily Sunspot Evaluation
Observation Sheet Tuesday, 9 August 1955
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)
- 4
- Number of spots (f)
- 64
- Relative number (R)
- 104
- Observer
- AK
- Reading
- all checks consistent
- File
- 19550809.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | A – 10 | 0.44 | 10 | |
| 2 | E – 26 | 0.38 | 77 | |
| 3 | A – 3 | 0.93 | 82 | |
| 4 | E – 25 | 0.59 | 157 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.