Daily Sunspot Evaluation
Observation Sheet Friday, 9 July 1993
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)
- 16
- Relative number (R)
- 46
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19930709.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 1 | 7 | 26E | 258 | 2E | 3 | 180 |
| 2 | AX – 6 | -11 | 16W | 300 | 17W | 2 | 169 |
| 3 | BXO – 9 | -10 | 65E | 219 | 64E | 7 | 182 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.