Daily Sunspot Evaluation
Observation Sheet Sunday, 11 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)
- 2
- Number of spots (f)
- 4
- Relative number (R)
- 24
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19970511.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 22 | 58W | 199 | 61W | - | 2.6 |
| 2 | HS – 3 | 19 | 03E | 140 | 00 | 2 | 2.8 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.