Daily Sunspot Evaluation
Observation Sheet Thursday, 10 March 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)
- 3
- Number of spots (f)
- 22
- Relative number (R)
- 52
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20050310.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 9 | 12 | 02W | 196 | 05W | 5 | |
| 2 | EAI – 12 | -5 | 40E | 154 | 32E | 11 | |
| 3 | HS – 1 | -7 | 73E | 121 | 70E | 32 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.



