Daily Sunspot Evaluation
Observation Sheet Friday, 25 May 1984
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)
- 2
- Number of spots (f)
- 51
- Relative number (R)
- 71
- Observer
- HM
- Reading
- all checks consistent
- File
- 19840525.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | FKC – 39 | -9 | 14W | 357 | 14W | 13.56 | 9a) |
| 2 | DSC – 12 | -8 | 09E | 337 | 06E | 8.10 | 9b) |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.