Daily Sunspot Evaluation
Observation Sheet Saturday, 12 May 2001
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)
- 6
- Number of spots (f)
- 46
- Relative number (R)
- 106
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 20010512.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 21 | 60W | 348 | 64W | ~2 | |
| 2 | DRO – 9 | 5 | 07E | 280 | 03E | 6 | |
| 3 | EAC – 12 | 12 | 56E | 232 | 52E | ~12 | |
| 4 | AX – 1 | -17 | 51W | 338 | 55W | ||
| 5 | HS – 3 | -22 | 15W | 302 | 19W | ~4 | |
| 6 | DAI – 20 | -18 | 13E | 274 | 09E | ~10 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.