Daily Sunspot Evaluation
Observation Sheet Thursday, 11 July 1985
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)
- 3
- Number of spots (f)
- 59
- Relative number (R)
- 89
- Observer
- TS
- Reading
- all checks consistent
- File
- 19850711.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 18 | 3 | 24W | 331 | 27W | 7 | |
| 2 | DKI – 9 | -9 | 66W | 13 | 67W | 10 | |
| 3 | BKC – 32 | -17 | 53W | 0 | 50W | 6 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.