Daily Sunspot Evaluation
Observation Sheet Friday, 7 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)
- 2
- Number of spots (f)
- 5
- Relative number (R)
- 25
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20040507.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 2 | -12 | 36W | 322 | 39W | ~2 | 79 |
| 2 | HS – 3 | -19 | 07E | 279 | 04E | ~2.5 | 77 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.