Daily Sunspot Evaluation
Observation Sheet Wednesday, 29 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)
- 2
- Number of spots (f)
- 23
- Relative number (R)
- 43
- Observer
- SB0
- Reading
- all checks consistent
- File
- 19980429.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DHO – 18 | -18 | 28E | 136 | 25E | 8.5 | 75 |
| 2 | BXO – 5 | -20 | 48E | 116 | 45E | 4.5 | 36 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.