Daily Sunspot Evaluation
Observation Sheet Thursday, 9 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)
- 9
- Number of spots (f)
- 118
- Relative number (R)
- 208
- Observer
- TK
- Reading
- all checks consistent
- File
- 19920109.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EAI – 19 | 8 | 69W | 13 | 70W | 15° | 15 |
| 2 | CAO – 8 | 8 | 07W | 311 | 08W | 8.5 | 7 |
| 3 | HS – 1 | 1 | 03W | 307 | 04W | 2° | 6 |
| 4 | DAI – 11 | 15 | 08E | 296 | 07E | 11° | 10 |
| 5 | HA – 3 | 24 | 31E | 273 | 30E | 2° | 14 |
| 6 | FKC – 19 | -10 | 40W | 344 | 41W | 16° | 2 |
| 7 | FAC – 37 | -16 | 36W | 340 | 37W | 19.5 | 1 |
| 8 | CAO – 4 | -16 | 08W | 312 | 09W | 4.5 | 18 |
| 9 | DKO – 16 | -11 | 67E | 237 | 66E | 16° | 16 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.