Daily Sunspot Evaluation
Observation Sheet Sunday, 11 September 1994
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)
- 2
- Number of spots (f)
- 2
- Relative number (R)
- 22
- Observer
- YK
- Reading
- all checks consistent
- File
- 19940911.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | -7 | 84W | 106 | 87W | - | 425 |
| 2 | HS – 1 | -8 | 29W | 51 | 32W | 2.5 | 433 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.