Daily Sunspot Evaluation
Observation Sheet Saturday, 8 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)
- 7
- Number of spots (f)
- 36
- Relative number (R)
- 106
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 20000408.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 1 | 22 | 47W | 198 | 47W | 1.5 | Ha-5 |
| 2 | CAE – 5 | 7 | 14W | 165 | 14W | 2.5 | |
| 3 | DKO – 2 | 12 | 70E | 81 | 70E | 6 | |
| 4 | HA – 2 | -17 | 54W | 205 | 54W | 2 | |
| 5 | DAC – 24 | -15 | 20E | 131 | 20E | 9.5 | |
| 6 | AX – 1 | -23 | 43E | 108 | 43E | 0.5 | |
| 7 | HK – 1 | -18 | 45E | 106 | 45E | 3 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.