Daily Sunspot Evaluation
Observation Sheet Friday, 8 January 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)
- 46
- Relative number (R)
- 86
- Observer
- HM
- Reading
- all checks consistent
- File
- 19880108.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAC – 18 | 30 | 33E | 129 | 30E | 12 | 5 |
| 2 | CAE – 17 | -25 | 20W | 182 | 23W | 6 | 3 |
| 3 | AXX – 1 | -8 | 19E | 143 | 16E | 7 | |
| 4 | DAI – 10 | -25 | 48E | 114 | 45E | 7 | 6 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.