Daily Sunspot Evaluation
Observation Sheet Friday, 24 August 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)
- 12
- Number of spots (f)
- 105
- Relative number (R)
- 225
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20010824.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 5 | 16 | 62W | 52 | 65W | 5 | |
| 2 | HS – 1 | 25 | 45W | 35 | 48W | 2 | |
| 3 | BXO – 4 | 28 | 36W | 26 | 39W | 7 | |
| 4 | DAI – 47 | 14 | 20W | 10 | 23W | ~8 | |
| 5 | AX – 3 | 29 | 13W | 3 | 16W | ~1 | |
| 6 | AX – 2 | 16 | 36E | 314 | 33E | ~0.5 | |
| 7 | ? – 2 | -7 | 78W | 68 | 81W | ~6 | |
| 8 | AX – 5 | -11 | 25W | 15 | 28W | 2 | |
| 9 | AX – 2 | -1 | 02W | 352 | 05W | ~2 | |
| 10 | HH – 1 | -28 | 35E | 315 | 32E | ~3.5 | |
| 11 | KC – 31 | -18 | 55E | 295 | 52E | ~28 | |
| 12 | ? – 2 | -20 | 73E | 277 | 70E | ? |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.