Daily Sunspot Evaluation
Observation Sheet Wednesday, 16 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)
- 5
- Relative number (R)
- 25
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19860716.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 4 | 3 | 68E | 35 | 65E | 8 4 | |
| 2 | HSX – 1 | -1 | 60W | 163 | 63W | 035 1 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.