Daily Sunspot Evaluation
Observation Sheet Wednesday, 18 June 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)
- 7
- Number of spots (f)
- 36
- Relative number (R)
- 106
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20030618.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 2 | 20 | 62W | 304 | 65W | ~1.5 | 163 |
| 2 | DAO – 9 | 28 | 00 | 242 | 03W | ~8 | 161 |
| 3 | DAO – 2 | 18 | 71E | 171 | 68E | ~7 | 167 |
| 4 | HS – 1 | -18 | 66W | 308 | 69W | ~2.5 | 155 |
| 5 | HS – 1 | -18 | 09W | 251 | 12W | ~0.5 | 165 |
| 6 | AX – 3 | -22 | 10E | 232 | 07E | ~2 | 166 |
| 7 | DKF – 18 | -6 | 54E | 188 | 51E | ~7 | 162 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.