Daily Sunspot Evaluation
Observation Sheet Sunday, 24 December 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)
- 2
- Number of spots (f)
- 5
- Relative number (R)
- 25
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19781224.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 3 | 12 | 20E | 164 | 18E | ||
| 2 | H – 2 | 10 | 33W | 217 | 35W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.