Daily Sunspot Evaluation
Observation Sheet Monday, 2 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)
- 5
- Number of spots (f)
- 31
- Relative number (R)
- 81
- Observer
- —
- Reading
- all checks consistent
- File
- 20040202.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EAC – 12 | 13 | 52E | 46 | 51E | ~11 | 17 |
| 2 | DAI – 10 | -10 | 18W | 116 | 19W | 7 | 13 |
| 3 | HR – 3 | -9 | 06W | 104 | 07W | 3.5 | 14 |
| 4 | DAO – 5 | -10 | 27E | 71 | 26E | 6.5 | 16 |
| 5 | HR – 1 | -7 | 73E | 25 | 72E | ~1 | 18 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.