Daily Sunspot Evaluation
Observation Sheet Monday, 9 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)
- 47
- Relative number (R)
- 137
- Observer
- HE
- Reading
- all checks consistent
- File
- 19920309.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HR – 1 | 22 | 25W | 260 | 27W | 1 | 106 |
| 2 | HS – 5 | 13 | 05E | 230 | 03E | 3.5 | 112 |
| 3 | HA – 1 | 13 | 49E | 186 | 47E | 1 | 117 |
| 4 | DAO – 2 | -17 | 71W | 306 | 73W | 8 | 121 |
| 5 | DAI – 11 | -5 | 02W | 237 | 04W | 7 | 119 |
| 6 | CAO – 9 | -37 | 01W | 236 | 03W | 4.5 | 120 |
| 7 | DAO – 11 | -10 | 39E | 196 | 37E | 8.5 | 118 |
| 8 | AX – 1 | -17 | 50E | 185 | 48E | - | 122 |
| 9 | DAC – 6 | -25 | 52E | 183 | 50E | 6 | 116 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.