Daily Sunspot Evaluation
Observation Sheet Friday, 22 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)
- 7
- Number of spots (f)
- 39
- Relative number (R)
- 109
- Observer
- AK0
- Reading
- all checks consistent
- File
- 20001222.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAC – 7 | 9 | 01E | 342 | 01E | 8 | |
| 2 | HA – 5 | 6 | 13E | 330 | 13E | 2.5 | |
| 3 | EKC – 17 | 10 | 42E | 301 | 42E | 12.5 | |
| 4 | HA – 1 | 21 | 65E | 278 | 65E | 2 | |
| 5 | AX – 1 | 4 | 47E | 296 | 47E | ||
| 6 | HS – 2 | -18 | 36W | 19 | 36W | 2.5 | |
| 7 | CSO – 6 | -12 | 15E | 328 | 15E | 4.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.