Daily Sunspot Evaluation
Observation Sheet Wednesday, 23 February 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)
- 8
- Relative number (R)
- 38
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20050223.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 12 | 79W | 109 | 79W | ~1 | |
| 2 | HA – 5 | -10 | 21W | 53 | 23W | 5.3 | |
| 3 | AX – 2 | -9 | 19E | 13 | 17E | 1.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.