Daily Sunspot Evaluation
Observation Sheet Saturday, 23 October 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)
- 9
- Number of spots (f)
- 67
- Relative number (R)
- 157
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20041023.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EAC – 24 | 11 | 38E | 175 | 35E | 11 | 185 |
| 2 | HS – 1 | 12 | 58E | 155 | 55E | 1.5 | 188 |
| 3 | ? – 1 | 14 | 82E | 131 | 79E | ~2 | 190 |
| 4 | HR – 1 | -7 | 77W | 290 | 80W | 0.5 | 186 |
| 5 | EAI – 6 | -12 | 66W | 279 | 69W | ~10 | 180 |
| 6 | AX – 3 | -14 | 58W | 271 | 61W | 2.5 | 187 |
| 7 | CRI – 7 | -4 | 33W | 246 | 36W | 6 | 184 |
| 8 | DAI – 22 | -4 | 02W | 215 | 05W | 6 | 183 |
| 9 | HA – 2 | -1 | 78E | 135 | 75E | 2 | 189 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.