Daily Sunspot Evaluation
Observation Sheet Monday, 12 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)
- 11
- Relative number (R)
- 41
- Observer
- YK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19930712.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 3 | 8 | 11W | 157 ⚠ | 14W | 3 | 180 |
| 2 | BXO – 4 | 4 | 17E | 223 | 14E | 5 | 183 |
| 3 | AX – 4 | -9 | 20E | 217 | 26E | 1.5 | 182 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.