Daily Sunspot Evaluation
Observation Sheet Monday, 9 February 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)
- 3
- Number of spots (f)
- 16
- Relative number (R)
- 46
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20040209.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CSO – 6 | 12 | 42W | 49 | 45W | ~8 | 17 |
| 2 | DKO – 6 | -8 | 18W | 25 | 21W | ~9.5 | 18 |
| 3 | DAC – 4 | -10 | 63E | 304 | 60E | 8 | 20 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.