Daily Sunspot Evaluation
Observation Sheet Friday, 25 September 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)
- 8
- Number of spots (f)
- 36
- Relative number (R)
- 116
- Observer
- HE
- Reading
- all checks consistent
- File
- 19920925.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRO – 4 | 108 | 59W | 171 | 62W | 5 | 339 |
| 2 | HR – 4 | 18 | 45E | 67 | 42E | 1 | 343 |
| 3 | HA – 1 | 16 | 55W | 167 | 58W | 1.5 | 330 |
| 4 | DAO – 8 | 17 | 38W | 150 | 116 | 7 | 339 |
| 5 | AX – 2 | 5 | 20W | 132 | 23W | 0.5 | 341 |
| 6 | HS – 5 | 10 | 10E | 102 | 07E | 1.5 | 337 |
| 7 | DAO – 11 | 8 | 50G | 62 | 47E | 9.5 | 362 |
| 8 | HH – 1 | 12 | 67E | 45 | 64E | 2.5 | 344 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.