Daily Sunspot Evaluation
Observation Sheet Friday, 11 June 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)
- 4
- Number of spots (f)
- 28
- Relative number (R)
- 68
- Observer
- TA
- Reading
- all checks consistent
- File
- 19930611.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HR – 5 | 6 | 65W | 1 | 68W | 2.5 | 139 |
| 2 | AX – 1 | 15 | 29W | 325 | 31W | - | 154 |
| 3 | HA – 6 | 22 | 15E | 281 | 12E | 4 | 148 |
| 4 | ? – 16 | -10 | 80W | 16 | 83W | 9 | 138 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.