Daily Sunspot Evaluation
Observation Sheet Saturday, 4 March 1989
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)
- 41
- Relative number (R)
- 131
- Observer
- HE
- Reading
- all checks consistent
- File
- 19890304.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HH – 2 | 11 | 48W | 55 | 50W | 3.0 | 436 |
| 2 | DSO – 6 | 18 | 36W | 43 | 38W | 9.0 | 437 |
| 3 | EAC – 19 | 23 | 13E | 354 | 11E | 10.75 | 438 |
| 4 | AX – 1 | 11 | 22E | 345 | 20E | - | 439 |
| 5 | AX – 1 | -21 | 39W | 46 | 41W | - | 440 |
| 6 | AX – 2 | -21 | 17E | 350 | 15E | 0.5 | 441 |
| 7 | AX – 3 | -24 | 47E | 320 | 45E | 2.0 | 442 |
| 8 | AX – 3 | -20 | 57E | 310 | 55E | 1.5 | 443 |
| 9 | ? – 4 | -10 | 73E | 294 | 71E | 4.0 | 444 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.