Daily Sunspot Evaluation
Observation Sheet Wednesday, 9 April 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)
- 6
- Number of spots (f)
- 15
- Relative number (R)
- 75
- Observer
- MS
- Reading
- all checks consistent
- File
- 20030409.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 14 | 85W | 172 | 88W | 3 | 76 |
| 2 | HH – 6 | 7 | 06E | 81 | 03E | ~4.5 | 73 |
| 3 | HS – 2 | 10 | 39E | 48 | 36E | ~1 | 87 |
| 4 | DAR – 4 | -13 | 68W | 155 | 71W | ~6 | 85 |
| 5 | HS – 1 | -8 | 52W | 139 | 55W | ~0.5 | 84 |
| 6 | AX – 1 | -19 | 21E | 66 | 18E | - | 86 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.