Daily Sunspot Evaluation
Observation Sheet Thursday, 6 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)
- 33
- Relative number (R)
- 73
- Observer
- MB
- Reading
- all checks consistent
- File
- 20060406.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKI – 13 | -12 | 51W | 112 | 54W | -11 | |
| 2 | CAI – 7 | -18 | 31W | 92 | 34W | 5 | |
| 3 | HA – 7 | -7 | 28W | 89 | 31W | 3 | |
| 4 | CRO – 6 | -7 | 10W | 71 | 13W | 4 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.