Daily Sunspot Evaluation
Observation Sheet Monday, 9 August 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)
- 41
- Relative number (R)
- 81
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20040809.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 11 | 47E | 76 | 44E | ~1 | 148 |
| 2 | ? – 1 | 16 | 81E | 42 | 78E | ? | 149 |
| 3 | DAO – 9 | -8 | 62W | 185 | 65W | 7.5 | 145 |
| 4 | EKC – 30 | -12 | 40E | 83 | 37E | 10.5 | 146 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.