Daily Sunspot Evaluation
Observation Sheet Saturday, 20 December 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)
- 6
- Number of spots (f)
- 28
- Relative number (R)
- 88
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20031220.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 1 | 3 | 55W | 14 | 58W | 0.5 | 323 |
| 2 | HS – 1 | 3 | 48W | 7 | 51W | 2 | 322 |
| 3 | DAI – 11 | 9 | 26E | 293 | 23E | 9 | 325 |
| 4 | FKO – 11 | 8 | 57E | 262 | 54E | 19 | 327 |
| 5 | CRO – 3 | -9 | 20E | 299 | 17E | 2 | 324 |
| 6 | HA – 1 | -18 | 33E | 286 | 30E | 1 | 326 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.