Daily Sunspot Evaluation
Observation Sheet Monday, 15 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)
- 3
- Number of spots (f)
- 9
- Relative number (R)
- 39
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20040315.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 3 | 19 | 35W | 301 | 38W | ~4 | 38 |
| 2 | DSO – 4 | -19 | 43W | 309 | 46W | ~7 | 37 |
| 3 | HA – 2 | -12 | 42E | 224 | 39E | 1 | 39 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.