Daily Sunspot Evaluation
Observation Sheet Tuesday, 3 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)
- 10
- Number of spots (f)
- 22
- Relative number (R)
- 122
- Observer
- MB
- Reading
- counts consistent, some coordinates doubtful
- File
- 19920303.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HK – 5 | 7 | 66W | 20 | 68W | 4.5 | 86 |
| 2 | HS – 1 | 16 | 55W | 99 ⚠ | 57W | 1.5 | 88 |
| 3 | HS – 1 | 19 | 31W | 345 | 33W | 1.5 | 93 |
| 4 | FTX – 2 | 12 | 13W | 327 | 15W | 2.5 | 110 |
| 5 | HR – 2 | 21 | 53E | 261 | 51E | 01 | 106 |
| 6 | ? – 2 | -9 | 82W | 36 | 84W | - | 80 |
| 7 | HA – 2 | -12 | 95W | 29 ⚠ | 97W | 2 | 56 |
| 8 | HA – 1 | -10 | 64W | 18 | 66W | 02 | 85 |
| 9 | ATX – 2 | -16 | 29W | 343 | 31W | 01 | 32 |
| 10 | BXI – 4 | -19 | 18W | 332 | 20W | 4.5 | 111 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.