Daily Sunspot Evaluation
Observation Sheet Wednesday, 26 April 2006
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)
- 15
- Relative number (R)
- 55
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20060426.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAC – 12 | -10 | 42E | 114 | 40E | ~5 | |
| 2 | HA – 1 | -5 | 63E | 94 | 60E | 1 | |
| 3 | HA – 1 | -14 | 63E | 94 | 60E | 2 | |
| 4 | HA – 1 | -17 | 71E | 86 | 68E | ~2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.