Daily Sunspot Evaluation
Observation Sheet Friday, 22 August 2003
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)
- 5
- Number of spots (f)
- 56
- Relative number (R)
- 106
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20030822.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRO – 5 | 7 | 28W | 130 | 31W | 3.5 | 239 |
| 2 | EAC – 23 | 7 | 13E | 89 | 10E | ~12.5 | 234 |
| 3 | BXI – 7 | 11 | 43E | 59 | 40E | ~5 | 238 |
| 4 | DAI – 18 | -7 | 02E | 100 | 01W | ~5 | 236 |
| 5 | ? – 3 | -13 | 80E | 22 | 77E | ? | 240 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.