Daily Sunspot Evaluation
Observation Sheet Tuesday, 28 December 2004
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)
- 6
- Relative number (R)
- 26
- Observer
- TG
- Reading
- all checks consistent
- File
- 20041228.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 4 | -10 | 70W | 133 | 73W | 5 | 219 |
| 2 | ? – 2 | 7 | 85E | 338 | 82E | ? | 221 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.