Daily Sunspot Evaluation
Observation Sheet Saturday, 23 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)
- 5
- Number of spots (f)
- 36
- Relative number (R)
- 86
- Observer
- HM
- Reading
- all checks consistent
- File
- 19880123.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 3 | -36 | 66W | 31 | 69W | 10 | 10 |
| 2 | AXX – 1 | -41 | 56W | 21 | 59W | 11 | |
| 3 | EKC – 18 | -20 | 43W | 8 | 46W | 14 | 12 |
| 4 | CSF – 12 | -30 | 18W | 343 | 24W | 12 | 14 |
| 5 | AXX – 2 | -7 | 10W | 335 | 13W | 2 | 16 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.