Daily Sunspot Evaluation
Observation Sheet Tuesday, 22 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)
- 4
- Number of spots (f)
- 17
- Relative number (R)
- 57
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20050322.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 2 | 5 | 24W | 60 | 27W | 2.5 | |
| 2 | DRI – 7 | 12 | 53E | 343 | 50E | ~6 | |
| 3 | ? – 1 | -8 | 86W | 122 | 89W | ? | |
| 4 | DAO – 7 | -14 | 16W | 52 | 19W | 5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.