Daily Sunspot Evaluation
Observation Sheet Tuesday, 8 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)
- 24
- Relative number (R)
- 94
- Observer
- TA
- Reading
- all checks consistent
- File
- 19921208.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 1 | 8 | 76E | 139 | 74E | 1.5 | 438 |
| 2 | AX – 1 | -17 | 01E | 214 | 01W | - | 431 |
| 3 | HA – 2 | -17 | 11E | 204 | 09E | 2 | 420 |
| 4 | AX – 2 | -21 | 20E | 195 | 18E | 0.5 | 430 |
| 5 | BXO – 9 | -5 | 40E | 175 | 38E | 5 | 428 |
| 6 | BXI – 7 | -18 | 52E | 163 | 50E | 11.5 | 423 |
| 7 | ? – 2 | -8 | 78E | 137 | 76E | 3.5 | 422 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.