Daily Sunspot Evaluation
Observation Sheet Sunday, 31 December 2000
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)
- 54
- Relative number (R)
- 104
- Observer
- AK0
- Reading
- all checks consistent
- File
- 20001231.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ESC – 4 | 9 | 75W | 300 | 76W | 14 | |
| 2 | DAO – 7 | 30 | 11W | 236 | 12W | 7 | |
| 3 | DSO – 5 | -11 | 35W | 260 | 36W | 7.5 | |
| 4 | CAI – 10 | -12 | 15E | 210 | 14E | 8 | |
| 5 | EKO – 28 | -6 | 25E | 200 | 24E | 13.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.