Daily Sunspot Evaluation
Observation Sheet Friday, 5 February 1988
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)
- 5
- Number of spots (f)
- 11
- Relative number (R)
- 61
- Observer
- HG
- Reading
- counts consistent, some coordinates doubtful
- File
- 19880205.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 18 | 27W | 229 ⚠ | 78W | 2 | 22 |
| 2 | HAX – 2 | 18 | 22W | 174 | 23W | 2 | 23 |
| 3 | CSF – 5 | 21 | 04W | 156 | 05W | 6 | 24 |
| 4 | HAX – 1 | 28 | 17E | 135 | 16E | 1.5 | 25 |
| 5 | AXX – 2 | 29 | 24E | 128 | 23E | 29 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.