Daily Sunspot Evaluation
Observation Sheet Friday, 12 December 2003
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)
- 3
- Relative number (R)
- 23
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20031212.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 1 | 3 | 57E | 6 | 55E | 2 | 322 |
| 2 | DAO – 2 | -11 | 57E | 6 | 55E | ~6.5 | 321 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.