Daily Sunspot Evaluation
Observation Sheet Thursday, 24 July 2003
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)
- 32
- Relative number (R)
- 122
- Observer
- MS
- Reading
- all checks consistent
- File
- 20030724.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 2 | 16 | 78W | 203 | 80W | 10 | 196 |
| 2 | DAO – 5 | 14 | 67W | 192 | 69W | ~4 | 198 |
| 3 | HA – 1 | 14 | 44W | 169 | 46W | ~15 | 201 |
| 4 | HA – 3 | 12 | 30W | 155 | 32W | ~1 | 205 |
| 5 | BAO – 3 | 9 | 58E | 67 | 56E | 4 | 209 |
| 6 | ? – 1 | 10 | 85E | 40 | 83E | - | 210 |
| 7 | ? – 3 | -22 | 77W | 202 | 79W | ~5 | 207 |
| 8 | EKO – 8 | -12 | 70W | 195 | 72W | 14 | 197 |
| 9 | DSI – 6 | -3 | 12W | 137 | 14W | 5 | 202 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.