Daily Sunspot Evaluation
Observation Sheet Friday, 16 March 2001
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)
- 44
- Relative number (R)
- 84
- Observer
- AK0
- Reading
- all checks consistent
- File
- 20010316.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 7 | 9 | 15W | 334 | 17W | 5.5 | |
| 2 | CAO – 2 | -10 | 60W | 19 | 62W | 6 | |
| 3 | EAC – 32 | -7 | 11W | 330 | 13W | 16 | |
| 4 | CSO – 3 | -14 | 19E | 300 | 17E | 4 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.