Daily Sunspot Evaluation
Observation Sheet Saturday, 3 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)
- 5
- Number of spots (f)
- 10
- Relative number (R)
- 60
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20040403.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 14 | 45W | 60 | 47W | 2.5 | 52 |
| 2 | HS – 1 | -4 | 47W | 62 | 49W | ~2 | 46 |
| 3 | HK – 5 | -14 | 02E | 13 | 00 | 3 | 55 |
| 4 | HS – 1 | -14 | 61E | 314 | 59E | 1.5 | 57 |
| 5 | HA – 2 | -17 | 62E | 313 | 60E | 2 | 58 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.