Daily Sunspot Evaluation
Observation Sheet Saturday, 24 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)
- 4
- Number of spots (f)
- 13
- Relative number (R)
- 53
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20040424.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DSO – 5 | 14 | 52E | 46 | 50E | 5 | 71 |
| 2 | AX – 3 | -8 | 30W | 128 | 32W | ~3.5 | 69 |
| 3 | HA – 1 | -15 | 16W | 114 | 18W | ~0.5 | 70 |
| 4 | EKO – 4 | -9 | 12W | 110 | 14W | ~11 | 68 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.