Daily Sunspot Evaluation
Observation Sheet Wednesday, 6 June 1951
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)
- 36
- Relative number (R)
- 86
- Observer
- ET
- Reading
- all checks consistent
- File
- 19510606.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | B – 7 | 0.32 | 58 | |
| 2 | J – 2 | 0.34 | 62 | |
| 3 | A – 3 | 0.87 | 66 | |
| 4 | B – 6 | 0.35 | 106 | |
| 5 | D – 18 | 0.22 | 109 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.