Daily Sunspot Evaluation
Observation Sheet Monday, 5 September 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)
- 9
- Number of spots (f)
- 42
- Relative number (R)
- 132
- Observer
- AK
- Reading
- all checks consistent
- File
- 19550905.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | H – 3 | 0.55 | 72 | |
| 2 | J – 1 | 0.37 | 80 | |
| 3 | D – 7 | 0.87 | 85 | |
| 4 | A – 2 | 0.45 | 90 | |
| 5 | ? – 4 | 0.96 | 139 | |
| 6 | C – 3 | 0.6 | 165 | |
| 7 | D – 18 | 0.72 | 252 | |
| 8 | A – 1 | 0.87 | 266 | |
| 9 | A – 3 | 0.36 | 351 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.