Daily Sunspot Evaluation
Observation Sheet Tuesday, 25 May 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)
- 30
- Relative number (R)
- 70
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20040525.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 18 | 44W | 92 | 47W | 1.5 | 88 |
| 2 | HS – 1 | -9 | 72W | 120 | 75W | 1.5 | 86 |
| 3 | CRI – 4 | -8 | 55W | 103 | 58W | 6 | 92 |
| 4 | EAI – 24 | -10 | 08E | 40 | 05E | 6.15 | 91 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.