Daily Sunspot Evaluation
Observation Sheet Wednesday, 22 December 1993
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)
- 17
- Relative number (R)
- 47
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19931222.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRO – 2 | 0 | 18W | 272 | 20W | 3 | 285 |
| 2 | HS – 1 | 5 | 56E | 198 | 54E | 4.5 | 288 |
| 3 | FAO – 14 | 9 | 58E | 196 | 56E | 17.5 | 289 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.