Daily Sunspot Evaluation
Observation Sheet Wednesday, 30 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)
- 6
- Number of spots (f)
- 25
- Relative number (R)
- 85
- Observer
- TA
- Reading
- all checks consistent
- File
- 19921230.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 7 | 16 | 67W | 353 | 69W | 7 | 438 |
| 2 | HA – 1 | 12 | 56W | 342 | 58W | 1 | 437 |
| 3 | CAI – 10 | 5 | 30W | 316 | 32W | 8 | 446 |
| 4 | HA – 1 | -9 | 76W | 2 | 78W | 2 | 439 |
| 5 | HR – 1 | -4 | 35W | 321 | 37W | 0.5 | 443 |
| 6 | HA – 5 | -11 | 30W | 316 | 32W | 2 | 445 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.