Daily Sunspot Evaluation
Observation Sheet Tuesday, 15 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)
- 10
- Number of spots (f)
- 51
- Relative number (R)
- 151
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20030715.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 7 | 66W | 311 | 69W | - | 199 |
| 2 | BXI – 8 | 9 | 16W | 261 | 19W | 6 | 193 |
| 3 | HS – 3 | 13 | 07E | 238 | 04E | 2.5 | 195 |
| 4 | EKO – 17 | 14 | 56E | 189 | 53E | 13 | 198 |
| 5 | HS – 1 | 17 | 71E | 174 | 68E | 1 | 200 |
| 6 | HA – 1 | 13 | 75E | 170 | 72E | 2 | 201 |
| 7 | HS – 1 | -17 | 57W | 302 | 60W | 0.5 | 192 |
| 8 | DAO – 7 | -9 | 48W | 293 | 51W | 8 | 187 |
| 9 | DAO – 9 | -11 | 23E | 222 | 20E | 7 | 191 |
| 10 | DSO – 3 | -13 | 48E | 197 | 45E | 5.5 | 197 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.