Daily Sunspot Evaluation
Observation Sheet Wednesday, 9 December 1992
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)
- 7
- Number of spots (f)
- 50
- Relative number (R)
- 120
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19921209.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 9 | 66E | 137 | 64E | 1.5 | 428 |
| 2 | BXO – 3 | -17 | 13W | 216 | 15W | 4 | 431 |
| 3 | HA – 3 | -17 | 02W | 205 | 04W | 2 | 420 |
| 4 | BXI – 5 | -21 | 08E | 195 | 06E | 5 | 430 |
| 5 | CRS – 22 | -5 | 27E | 176 | 25E | 8 | 423 |
| 6 | BXO – 9 | -18 | 42E | 161 | 40E | 9 | 423 |
| 7 | DAC – 7 | -8 | 69E | 134 | 67E | 10.5 | 423 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.