Daily Sunspot Evaluation
Observation Sheet Wednesday, 4 March 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)
- 29
- Relative number (R)
- 119
- Observer
- HÇ0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19920304.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 2 | 8 | 80W | 2 ⚠ | 82W | - | 86 |
| 2 | HA – 2 | 15 | 66W | 7 | 68W | 2 | 88 |
| 3 | HS – 1 | 19 | 44W | 345 | 46W | 1 | 93 |
| 4 | HR – 1 | 22 | 49E | 261 ⚠ | 38E | 0.7 | 106 |
| 5 | HA – 1 | 12 | 71E | 230 | 69E | 1 | 112 |
| 6 | HA – 1 | -10 | 77W | 18 | 79W | 1 | 85 |
| 7 | DAO – 13 | -18 | 31W | 332 | 33W | 5.5 | 111 |
| 8 | AX – 6 | -12 | 28W | 329 | 30W | 1.5 | 114 |
| 9 | AX – 2 | -12 | 15W | 316 | 17W | 0.7 | 113 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.