Daily Sunspot Evaluation
Observation Sheet Thursday, 5 January 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)
- 10
- Number of spots (f)
- 89
- Relative number (R)
- 189
- Observer
- SG0
- Reading
- all checks consistent
- File
- 19890105.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKC – 14 | 10 | 39E | 12 | 37E | 12.0 | 10 |
| 2 | HS – 2 | 18 | 39E | 12 | 37E | 1.0 | 11 |
| 3 | EKC – 16 | 27 | 49E | 2 | 47E | 12.5 | 12 |
| 4 | AX – 1 | 27 | 73E | 338 | 71E | - | 17 |
| 5 | EAO – 3 | -16 | 78W | 129 | 80W | 11.0 | 2 |
| 6 | EKC – 21 | -19 | 65W | 116 | 67W | 14.0 | 5 |
| 7 | CAI – 13 | -19 | 45W | 96 | 47W | 10.5 | 12 |
| 8 | BRI – 6 | -27 | 60E | 351 | 58E | 7.0 | 15 |
| 9 | EKI – 11 | -19 | 64E | 347 | 62E | 12.0 | 16 |
| 10 | ? – 2 | -14 | 80E | 331 | 78E | 5.0 | 12 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.