Daily Sunspot Evaluation
Observation Sheet Wednesday, 1 April 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)
- 3
- Number of spots (f)
- 32
- Relative number (R)
- 62
- Observer
- SB0
- Reading
- all checks consistent
- File
- 19980401.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | FKO – 7 | -26 | 56W | 230 | 59W | 48 | 5554 |
| 2 | EAC – 24 | -22 | 34E | 140 | 31E | 12.5 | 5654 |
| 3 | HS – 1 | -21 | 44E | 130 | 41E | 4 | 5754 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.