Daily Sunspot Evaluation
Observation Sheet Wednesday, 8 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)
- 2
- Relative number (R)
- 22
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20041208.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 10 | 74W | 40 | 36W | 215 | 210 |
| 2 | HR – 1 | -7 | 56E | 270 | 54E | 605 | 214 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.