Daily Sunspot Evaluation
Observation Sheet Saturday, 10 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)
- 7
- Relative number (R)
- 37
- Observer
- YK
- Reading
- all checks consistent
- File
- 19930710.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 3 | 7 | 15E | 258 | 12E | 2.5 | 180 |
| 2 | AX – 1 | -10 | 27W | 300 | 30W | - | 169 |
| 3 | BXO – 3 | -10 | 54E | 219 | 51E | 6 | 182 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.