Daily Sunspot Evaluation
Observation Sheet Friday, 8 July 1966
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)
- 4
- Number of spots (f)
- 51
- Relative number (R)
- 91
- Observer
- LT
- Reading
- all checks consistent
- File
- 19660708.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 8 | 20 | 23E | 123 | |||
| 2 | H – 24 | 35 | 73W | 219 | |||
| 3 | B – 13 | 31 | 14W | 160 | |||
| 4 | B – 6 | 21 | 8W | 154 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.