Daily Sunspot Evaluation
Observation Sheet Wednesday, 12 January 2005
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)
- 4
- Number of spots (f)
- 29
- Relative number (R)
- 69
- Observer
- MS
- Reading
- all checks consistent
- File
- 20050112.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DKC – 15 | 14 | 47E | 178 | 45E | 7 | |
| 2 | HA – 6 | -6 | 22E | 203 | 20E | ~4 | |
| 3 | DAO – 7 | -8 | 31E | 194 | 29E | 6.5 | |
| 4 | HR – 1 | -5 | 32E | 193 | 30E | 0.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.