Daily Sunspot Evaluation
Observation Sheet Friday, 10 May 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)
- 28
- Relative number (R)
- 58
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19850510.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 6 | 5 | 49W | 96 | 52W | 9.5 2.25 | |
| 2 | CAO – 2 | 6 | 55E | 352 | 52E | 7.5 1.25 | |
| 3 | DKF – 20 | -13 | 46E | 359 | 43E | 8.5 52 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.