Daily Sunspot Evaluation
Observation Sheet Friday, 3 February 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)
- 15
- Number of spots (f)
- 79
- Relative number (R)
- 229
- Observer
- HE
- Reading
- all checks consistent
- File
- 19890203.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 4 | 28 | 53W | 81 | 55W | 5.5 | 61 |
| 2 | AX – 2 | 43 | 37W | 65 | 39W | 2.5 | 62 |
| 3 | AX – 6 | 23 | 03E | 25 | 01E | 3.0 | 63 |
| 4 | AX – 1 | 20 | 27E | 1 | 25E | - | 64 |
| 5 | CAO – 6 | 8 | 73E | 315 | 71E | 8.0 | 65 |
| 6 | AX – 1 | 20 | 74E | 314 | 72E | - | 66 |
| 7 | AX – 3 | -9 | 70W | 98 | 72W | 3.0 | 67 |
| 8 | AX – 4 | -18 | 52W | 80 | 54W | 3.0 | 68 |
| 9 | CAI – 30 | -17 | 28W | 56 | 30W | 10.0 | 69 |
| 10 | BXO – 10 | -5 | 03W | 31 | 05W | 4.0 | 70 |
| 11 | HS – 1 | -27 | 28E | 0 | 26E | 1.5 | 71 |
| 12 | AX – 2 | -30 | 36E | 352 | 34E | 1.25 | 72 |
| 13 | AX – 1 | -24 | 40E | 348 | 38E | - | 73 |
| 14 | HA – 1 | -34 | 45E | 343 | 43E | 2.0 | 74 |
| 15 | CSO – 7 | -22 | 52E | 336 | 50E | 8.0 | 75 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.