Daily Sunspot Evaluation
Observation Sheet Friday, 23 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)
- 3
- Number of spots (f)
- 19
- Relative number (R)
- 49
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20040423.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | -6 | 20W | 131 | 23W | 67 | |
| 2 | CRO – 7 | -7 | 15W | 126 | 18W | 4 | 69 |
| 3 | EKI – 11 | -8 | 01E | 110 | 02W | 12 | 68 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.