Daily Sunspot Evaluation
Observation Sheet Sunday, 25 May 1997
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)
- 5
- Relative number (R)
- 35
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19970525.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 5 | 64W | 21 | 66W | 2 | 22 |
| 2 | AX – 2 | -35 | 13E | 304 | 11E | 1 | 23 |
| 3 | BXO – 2 | -27 | 51E | 266 | 49E | 3.5 | 31 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.