Daily Sunspot Evaluation
Observation Sheet Sunday, 10 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)
- 6
- Number of spots (f)
- 39
- Relative number (R)
- 99
- Observer
- HıE
- Reading
- all checks consistent
- File
- 19660710.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 5 | -33 | 11E | 108 | |||
| 2 | A – 2 | 18 | 41W | 160 | |||
| 3 | A – 1 | 24 | 66W | 185 | |||
| 4 | A – 1 | 36 | 85W | 204 | |||
| 5 | C – 17 | 30 | 42W | 161 | |||
| 6 | B – 13 | 19 | 05W | 124 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.