Daily Sunspot Evaluation
Observation Sheet Thursday, 27 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)
- 14
- Number of spots (f)
- 94
- Relative number (R)
- 234
- Observer
- SG0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19920227.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HK – 10 | 3 | 38W | 52 ⚠ | 34W | 6.5 | 81 |
| 2 | AX – 2 | 17 | 31W | 50 | 32W | 1.5 | 99 |
| 3 | EKI – 37 | 7 | 03W | 22 | 04W | 13 | 86 |
| 4 | CAO – 5 | 65 | 12E | 7 | 11E | 4 | 88 |
| 5 | AX – 4 | 20 | 24E | 355 | 23E | 2 | 95 |
| 6 | DAC – 13 | 10 | 29E | 350 | 28E | 5.5 | 94 |
| 7 | HA – 2 | 20 | 35E | 344 | 34E | 2 | 93 |
| 8 | BXO – 4 | -15 | 74W | 93 | 75W | 6 | 97 |
| 9 | HA – 1 | -10 | 65W | 84 | 66W | 1 | 78 |
| 10 | HA – 3 | -4 | 17W | 36 | 18W | 6 | 80 |
| 11 | BXI – 4 | -10 | 14W | 33 | 15W | 4.5 | 96 |
| 12 | DSO – 7 | -12 | 04E | 15 | 03E | 6.5 | 85 |
| 13 | HS – 1 | -17 | 37E | 342 | 36E | 1 | 92 |
| 14 | ATX – 1 | -12 | 67E | 312 | 66E | - | 98 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.