Daily Sunspot Evaluation
Observation Sheet Tuesday, 2 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)
- 4
- Number of spots (f)
- 14
- Relative number (R)
- 54
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19880202.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 5 | 13 | 29W | 221 | 31W | 9 | 22 |
| 2 | CSO – 3 | 18 | 18E | 174 | 16E | 3.5 | 23 |
| 3 | HAX – 4 | 19 | 36E | 156 | 34E | 3 | 24 |
| 4 | HAX – 2 | 22 | 60E | 132 | 58E | 2.5 | 25 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.