Daily Sunspot Evaluation
Observation Sheet Sunday, 22 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)
- 15
- Number of spots (f)
- 78
- Relative number (R)
- 228
- Observer
- HÇ
- Reading
- all checks consistent
- File
- 19890122.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 5 | 23 | 80W | 267 | 82W | 10.0 | 1 |
| 2 | HA – 5 | 18 | 64W | 251 | 66W | 2.5 | 2 |
| 3 | BXI – 7 | 18 | 50W | 237 | 52W | 6.0 | 3 |
| 4 | HH – 8 | 21 | 14W | 201 | 16W | 5.0 | 4 |
| 5 | HA – 1 | 22 | 17E | 170 | 15E | 1.0 | 5 |
| 6 | AX – 3 | 25 | 32E | 155 | 30E | 2.0 | 6 |
| 7 | DAO – 16 | 17 | 56E | 131 | 54E | 9.5 | 7 |
| 8 | HA – 1 | 22 | 57E | 130 | 55E | 2.0 | 8 |
| 9 | DAO – 9 | 13 | 57E | 130 | 55E | 8.5 | 9 |
| 10 | HA – 3 | -21 | 68W | 256 | 71W | 2.5 | 10 |
| 11 | AX – 4 | -16 | 66W | 253 | 68W | 2.5 | 11 |
| 12 | AX – 4 | -18 | 17E | 170 | 15E | 1.5 | 12 |
| 13 | AX – 4 | -14 | 24E | 163 | 22E | 2.5 | 13 |
| 14 | AX – 3 | -18 | 25E | 162 | 23E | 1.0 | 14 |
| 15 | ? – 5 | -19 | 82E | 105 | 80E | 12.0 | 15 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.