Daily Sunspot Evaluation
Observation Sheet Tuesday, 30 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)
- 5
- Relative number (R)
- 25
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20031230.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | FAO – 4 | 10 | 75W | 261 | 7740 | ~19 | 327 |
| 2 | HR – 1 | -20 | 03W | 189 | 05W | <0.5 | 333 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.