Daily Sunspot Evaluation
Observation Sheet Monday, 25 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)
- 3
- Number of spots (f)
- 13
- Relative number (R)
- 43
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19880125.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKC – 10 | -20 | 71W | 9 | 73W | 15 | 12 |
| 2 | HSX – 1 | -30 | 51W | 349 | 53W | 15 | 14 |
| 3 | BXO – 2 | -30 | 34E | 264 | 32E | 3 | 17 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.