Daily Sunspot Evaluation
Observation Sheet Thursday, 14 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)
- 7
- Number of spots (f)
- 25
- Relative number (R)
- 95
- Observer
- HG
- Reading
- all checks consistent
- File
- 19880114.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 3 | 4 | |||||
| 2 | AXX – 1 | 25 | 64W | 146 | 65W | 1 | 5 |
| 3 | CAI – 5 | 30 | 49W | 131 | 50W | 12 | 5 |
| 4 | HAX – 2 | -26 | 28W | 110 | 29W | 2 | 6 |
| 5 | AXX – 4 | -35 | 42E | 40 | 41E | 1.5 | 10 |
| 6 | CAO – 5 | -37 | 52E | 30 | 51E | 7.5 | 11 |
| 7 | CAI – 5 | -19 | 71E | 11 | 70E | 8 | 12 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.