Daily Sunspot Evaluation
Observation Sheet Wednesday, 7 January 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)
- 15
- Relative number (R)
- 35
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20040107.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 4 | 2 | 73E | 7 | 72E | 5 | 5 |
| 2 | DKC – 11 | -12 | 06E | 74 | 05E | ~9 | 4 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.