Daily Sunspot Evaluation
Observation Sheet Wednesday, 19 June 1968
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)
- 6
- Number of spots (f)
- 42
- Relative number (R)
- 102
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19680619.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 23 | 11E | 99 | |||
| 2 | F – 30 | 13 | 18E | 92 | |||
| 3 | J – 2 | -14 | 4W | 114 | |||
| 4 | G – 4 | -30 | 11W | 121 | |||
| 5 | C – 3 | -19 | 34W | 144 | |||
| 6 | J – 2 | -9 | 72W | 182 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.