Daily Sunspot Evaluation
Observation Sheet Saturday, 10 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
- TA
- Reading
- all checks consistent
- File
- 19970510.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 2 | 22 | 41W | 198 | 45W | 2 | 26 |
| 2 | HS – 2 | 17 | 19E | 138 | 15E | 2 | 25 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.