Daily Sunspot Evaluation
Observation Sheet Saturday, 7 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)
- 36
- Relative number (R)
- 76
- Observer
- HE
- Reading
- all checks consistent
- File
- 20040807.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 1 | 11 | 75E | 74 | 72E | 3 | 148 |
| 2 | EAC – 26 | -9 | 29W | 178 | 32W | 16 | 145 |
| 3 | HA – 3 | -5 | 60E | 89 | 57E | 3 | 147 |
| 4 | EAO – 6 | -12 | 68E | 81 | 65E | 11 | 146 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.