Daily Sunspot Evaluation
Observation Sheet Sunday, 2 February 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)
- 13
- Number of spots (f)
- 213
- Relative number (R)
- 343
- Observer
- TA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19920202.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 2 | 4 | 80W | 68 | 81W | 1.5 | 55 |
| 2 | FAI – 22 | 17 | 60W | 48 | 61W | 17 | 50 |
| 3 | CKI – 22 | 7 | 56W | 24 ⚠ | 57W | 9 | 43 |
| 4 | HA – 2 | 8 | 03W | 351 | 04W | 2 | 41 |
| 5 | HA – 4 | 6 | 34E | 314 | 33E | 2 | 47 |
| 6 | AX – 2 | -10 | 58W | 46 | 59W | 1 | 49 |
| 7 | CKI – 25 | -5 | 42W | 30 | 43W | 12.5 | 39 |
| 8 | DSI – 22 | -10 | 21W | 9 | 22W | 9 | 42 |
| 9 | AX – 1 | -21 | 08E | 340 | 07E | - | 54 |
| 10 | CRI – 8 | -17 | 07E | 339 | 08E | 4.5 | 53 |
| 11 | FAI – 57 | -15 | 19E | 329 | 18E | 16 | 48 |
| 12 | FKO – 34 | -13 | 49E | 279 ⚠ | 48E | 19 | 46 |
| 13 | CKO – 12 | -28 | 50E | 298 | 49E | 7 | 52 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.