Daily Sunspot Evaluation
Observation Sheet Monday, 25 May 1992
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)
- 31
- Relative number (R)
- 71
- Observer
- HE
- Reading
- all checks consistent
- File
- 19920525.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DKO – 23 | 23 | 27W | 325 | 29W | 9.5 | 201 |
| 2 | AX – 1 | 14 | 12E | 286 | 10E | - | 218 |
| 3 | BXO – 6 | -24 | 63W | 1 | 65W | 6.5 | 211 |
| 4 | AX – 1 | -22 | 35E | 263 | 38E | 0.5 | 214 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.