Daily Sunspot Evaluation
Observation Sheet Tuesday, 11 May 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)
- 4
- Number of spots (f)
- 10
- Relative number (R)
- 50
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20040511.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 3 | -9 | 35E | 199 | 32E | 5.5 | 80 |
| 2 | AX – 3 | -3 | 46E | 188 | 43E | 1.5 | 81 |
| 3 | HA – 2 | -4 | 52E | 182 | 49E | -1 | 82 |
| 4 | AX – 2 | -2 | 59E | 175 | 56E | 4.5 | 83 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.