Daily Sunspot Evaluation
Observation Sheet Friday, 8 April 2005
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)
- 16
- Relative number (R)
- 56
- Observer
- MB
- Reading
- all checks consistent
- File
- 20050408.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 11 | 36W | 209 | 39W | - | |
| 2 | ? – 1 | -5 | 83W | 255 | 86W | ? | |
| 3 | CRO – 3 | -6 | 08E | 164 | 05E | ~3.5 | |
| 4 | CAI – 11 | -7 | 45E | 127 | 42E | ~8 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.