Daily Sunspot Evaluation
Observation Sheet Friday, 10 January 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)
- 11
- Number of spots (f)
- 107
- Relative number (R)
- 217
- Observer
- YK
- Reading
- all checks consistent
- File
- 19920110.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 2 | 9 | 83W | 14 | 84W | — | 15 |
| 2 | CHO – 5 | 9 | 22W | 313 | 23W | 5° | 7 |
| 3 | BXO – 4 | 21 | 20W | 311 | 21W | 5° | 20 |
| 4 | HA – 2 | 2 | 18W | 309 | 19W | 2.5 | 6 |
| 5 | AX – 5 | 10 | 14W | 305 | 15W | 2° | 19 |
| 6 | ESO – 15 | 16 | 07W | 298 | 08W | 10.5 | 10 |
| 7 | HA – 1 | 24 | 16E | 275 | 15E | 0.5 | 14 |
| 8 | FHO – 10 | -10 | 55W | 346 | 56W | 16° | 2 |
| 9 | FAC – 36 | -15 | 51W | 342 | 52W | 19.5 | 1 |
| 10 | DAO – 13 | -15 | 24W | 314 | 24W | 6.5 | 18 |
| 11 | ESO – 14 | -6 | 49E | 242 | 48E | 11° | 16 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.