Daily Sunspot Evaluation
Observation Sheet Wednesday, 26 December 1973
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
- ED
- Reading
- all checks consistent
- File
- 19731226.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 4 | -19 | 54W | 192 | 222 | ||
| 2 | D – 6 | -16 | 75W | 213 | 224 | ||
| 3 | A – 1 | 7 | 62W | 200 | 224 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.