Daily Sunspot Evaluation
Observation Sheet Monday, 8 July 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)
- 5
- Number of spots (f)
- 31
- Relative number (R)
- 81
- Observer
- AT
- Reading
- all checks consistent
- File
- 19680708.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 6 | 11 | 36E | 181 | |||
| 2 | ? – 18 | 11 | 61E | 156 | |||
| 3 | A – 1 | -16 | 64E | 153 | |||
| 4 | J – 1 | -16 | 33E | 184 | |||
| 5 | C – 5 | -11 | 8E | 209 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.