Daily Sunspot Evaluation
Observation Sheet Friday, 14 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)
- 8
- Number of spots (f)
- 45
- Relative number (R)
- 125
- Observer
- YK
- Reading
- all checks consistent
- File
- 19920214.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 3 | 21 | 70W | 262 | 73W | 69 | |
| 2 | ESO – 13 | 12 | 25W | 217 | 28W | 15 | 57 |
| 3 | HA – 2 | 14 | 10W | 202 | 13W | 1 | 65 |
| 4 | ? – 4 | -6 | 74W | 265 | 76W | 53 | |
| 5 | BXO – 4 | -17 | 58W | 250 | 61W | 7 | 68 |
| 6 | DKO – 14 | -13 | 12E | 180 | 09E | 8 | 64 |
| 7 | AX – 2 | -14 | 20E | 172 | 17E | 0.5 | 74 |
| 8 | AX – 3 | -8 | 39E | 153 | 36E | 1 | 73 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.