Daily Sunspot Evaluation
Observation Sheet Monday, 7 July 1986
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)
- 2
- Number of spots (f)
- 10
- Relative number (R)
- 30
- Observer
- FL
- Reading
- all checks consistent
- File
- 19860707.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 4 | 27 | 53W | 275 | 56W | 7.2 | |
| 2 | DAO – 6 | 0 | 63E | 159 | 60E | 7.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.