Daily Sunspot Evaluation
Observation Sheet Tuesday, 6 April 2004
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)
- 3
- Number of spots (f)
- 14
- Relative number (R)
- 44
- Observer
- MS
- Reading
- all checks consistent
- File
- 20040406.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 5 | -14 | 37W | 13 | 40W | ~3 | 55 |
| 2 | HS – 1 | -14 | 22E | 314 | 19E | 1.5 | 57 |
| 3 | DAO – 8 | -16 | 22E | 314 | 19E | ~5 | 58 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.