Daily Sunspot Evaluation
Observation Sheet Friday, 9 May 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)
- 2
- Number of spots (f)
- 3
- Relative number (R)
- 23
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20030509.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 8 | 31W | 82 | 34W | 2.5 | 413 |
| 2 | DAO – 2 | 17 | 71E | 340 | 68E | 5 | 420 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.