Daily Sunspot Evaluation
Observation Sheet Monday, 9 February 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)
- 5
- Relative number (R)
- 35
- Observer
- NA
- Reading
- all checks consistent
- File
- 19980209.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | -24 | 07E | 119 | 05E | 1.5 | 22 |
| 2 | DSO – 2 | -40 | 36E | 90 | 34E | 4 | 23 |
| 3 | AX – 2 | -24 | 38E | 88 | 36E | 0.5 | 24 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.