Daily Sunspot Evaluation
Observation Sheet Sunday, 26 December 1999
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)
- 5
- Number of spots (f)
- 55
- Relative number (R)
- 105
- Observer
- YK
- Reading
- all checks consistent
- File
- 19991226.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKSC – 37 | 19 | 33W | 113 | 33W | 21 | |
| 2 | BXII – 7 | 20 | 49E | 31 | 49E | 12 | |
| 3 | EKO – 8 | 36 | 65E | 15 | 65E | 18 | |
| 4 | HK – 2 | -19 | 43W | 123 | 43W | 3.5 | |
| 5 | AX – 1 | -23 | 41W | 121 | 41W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.