Daily Sunspot Evaluation
Observation Sheet Saturday, 22 April 2000
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)
- 11
- Number of spots (f)
- 100
- Relative number (R)
- 210
- Observer
- AK0
- Reading
- all checks consistent
- File
- 20000422.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAE – 9 | 16 | 36W | 3 | 37W | No-9 | |
| 2 | HA – 2 | 23 | 33W | 0 | 34W | ||
| 3 | AX – 3 | 19 | 04W | 331 | 05W | ||
| 4 | DAO – 15 | 33 | 02W | 329 | 03W | ||
| 5 | EHO – 15 | 21 | 30E | 297 | 29E | ||
| 6 | HA – 3 | 11 | 41E | 286 | 40E | ||
| 7 | EKO – 12 | 18 | 63E | 264 | 62E | ||
| 8 | EAO – 9 | -22 | 62W | 29 | 63W | ||
| 9 | OHO – 11 | -13 | 05W | 332 | 06W | ||
| 10 | CAO – 3 | -16 | 08E | 319 | 07E | ||
| 11 | EKI – 18 | -14 | 69E | 260 | 66E |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.