Daily Sunspot Evaluation
Observation Sheet Monday, 11 September 1978
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)
- 6
- Number of spots (f)
- 46
- Relative number (R)
- 106
- Observer
- GA
- Reading
- all checks consistent
- File
- 19780911.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 27 | 33 | 13E | 102 | 11E | ||
| 2 | ? – 1 | 41 | 83E | 32 | 81E | ||
| 3 | G – 12 | 19 | 48E | 67 | 46E | ||
| 4 | A – 1 | -20 | 38W | 153 | 40W | ||
| 5 | ? – 3 | -33 | 70W | 185 | 72W | ||
| 6 | ? – 2 | -24 | 75W | 190 | 77W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.