Daily Sunspot Evaluation
Observation Sheet Monday, 11 June 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)
- 14
- Number of spots (f)
- 131
- Relative number (R)
- 271
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20010611.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 6 | 53W | 302 | 55W | 7 | |
| 2 | HK – 9 | 21 | 34W | 283 | 36W | ~3 | |
| 3 | EAF – 31 | 18 | 21W | 270 | 23W | ~15 | |
| 4 | DAF – 11 | 9 | 07W | 256 | 09W | ~7 | |
| 5 | DAO – 9 | 20 | 06E | 243 | 04E | ~10 | |
| 6 | HS – 2 | 26 | 06E | 243 | 04E | ~3 | |
| 7 | FAF – 7 | 6 | 21E | 228 | 19E | ~16 | |
| 8 | DSF – 8 | 18 | 26E | 223 | 24E | ~6 | |
| 9 | DSO – 8 | 24 | 54E | 195 | 52E | ~4 | |
| 10 | ? – 2 | 11 | 79E | 170 | 77E | ~3 | |
| 11 | EAC – 20 | -8 | 63W | 312 | 65W | 14 | |
| 12 | DAF – 13 | -20 | 34W | 283 | 36W | ~5 | |
| 13 | DSC – 9 | -10 | 23E | 226 | 21E | ~7 | |
| 14 | ? – 1 | -13 | 73E | 176 | 71E | ~4 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.