Daily Sunspot Evaluation
Observation Sheet Sunday, 11 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)
- 20
- Relative number (R)
- 50
- Observer
- TÖ0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19930711.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 4 | 7 | 03E | 256 | 00' | 6 | 180 |
| 2 | BXI – 11 | 3 | 30E | 223 ⚠ | 27E | 4 | 183 |
| 3 | BXO – 5 | -10 | 39E | 220 | 36E | 6.5 | 182 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.