Daily Sunspot Evaluation
Observation Sheet Thursday, 9 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)
- 4
- Number of spots (f)
- 26
- Relative number (R)
- 66
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20031009.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HR – 2 | 10 | 03E | 185 | 00 | ~1 | 277 |
| 2 | HS – 1 | -7 | 52W | 240 | 55W | 2 | 268 |
| 3 | EAC – 20 | -8 | 35W | 223 | 38W | ~11 | 270 |
| 4 | HA – 3 | -14 | 42E | 146 | 39E | ~3 | 275 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.