Daily Sunspot Evaluation
Observation Sheet Saturday, 12 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)
- 37
- Relative number (R)
- 67
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20050312.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 9 | 14 | 31W | 199 | 35W | ~8 | |
| 2 | EAC – 27 | -6 | 12E | 156 | 10E | ~12 | |
| 3 | HH – 1 | -8 | 46E | 122 | 44E | 3 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.