Daily Sunspot Evaluation
Observation Sheet Wednesday, 7 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)
- 4
- Number of spots (f)
- 20
- Relative number (R)
- 60
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20030507.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HH – 1 | 7 | 05W | 83 | 08W | 3 | 113 |
| 2 | HA – 1 | 18 | 29E | 49 | 26E | 1 | 119 |
| 3 | FKC – 7 | -14 | 78W | 156 | 81W | 13 | 106 |
| 4 | FAC – 11 | -34 | 70W | 148 | 73W | 23 | 114 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.