Daily Sunspot Evaluation
Observation Sheet Saturday, 18 October 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)
- 3
- Number of spots (f)
- 14
- Relative number (R)
- 44
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20031018.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 5 | 11 | 60E | 9 | 57E | 8 | 284 |
| 2 | HA – 3 | -9 | 23W | 92 | 26W | 3 | 283 |
| 3 | DKC – 6 | 0 | 78E | 351 | 75E | 5 | 285 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.