Daily Sunspot Evaluation
Observation Sheet Wednesday, 4 March 1998
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)
- 2
- Number of spots (f)
- 23
- Relative number (R)
- 43
- Observer
- SB0
- Reading
- all checks consistent
- File
- 19980304.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 6 | 21 | 29W | 210 | 30W | 6 | 42 |
| 2 | FKC – 17 | -25 | 54W | 237 | 57W | 14 | 43 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.