Daily Sunspot Evaluation
Observation Sheet Friday, 9 July 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)
- 19
- Relative number (R)
- 49
- Observer
- HE
- Reading
- all checks consistent
- File
- 20040709.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HR – 2 | 11 | 07E | 166 | 04E | 1.5 | 130 |
| 2 | DAO – 5 | -9 | 02E | 171 | 01W | 3 | 129 |
| 3 | DAI – 12 | -8 | 49E | 124 | 46E | 6 | 126 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.