Daily Sunspot Evaluation
Observation Sheet Wednesday, 31 March 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)
- 34
- Relative number (R)
- 74
- Observer
- TG
- Reading
- all checks consistent
- File
- 20040331.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 20 | 13 | 00 | 55 | 03W | ~11 | 52 |
| 2 | HS – 1 | -5 | 06W | 61 | 09W | ~2 | 46 |
| 3 | AX – 3 | -17 | 08E | 47 | 05E | ~2 | 53 |
| 4 | DAO – 10 | -14 | 44E | 11 | 41E | 8 | 55 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.