Daily Sunspot Evaluation
Observation Sheet Saturday, 10 June 1967
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)
- 19
- Relative number (R)
- 69
- Observer
- SB
- Reading
- all checks consistent
- File
- 19670610.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 7 | -17 | 10W | 28 | |||
| 2 | A – 1 | 0 | 28W | 46 | |||
| 3 | J – 5 | 15 | 28W | 46 | |||
| 4 | A – 1 | 32 | 57W | 75 | |||
| 5 | A – 5 | 11 | 11W | 29 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.