Daily Sunspot Evaluation
Observation Sheet Sunday, 1 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)
- 9
- Number of spots (f)
- 123
- Relative number (R)
- 213
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19890101.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EAC – 18 | 22 | 62W | 165 | 64W | 12.0 | |
| 2 | ITA – 1 | 19 | 60W | 163 | 62W | 2.0 | |
| 3 | BRO – 15 | 17 | 48W | 151 | 50W | 10.0 | |
| 4 | AX – 1 | 22 | 77E | 26 | 75E | - | |
| 5 | CAO – 28 | -20 | 55W | 158 | 57W | 13.0 | |
| 6 | HS – 1 | -14 | 49W | 152 | 51W | 2.5 | |
| 7 | BRO – 4 | -42 | 51W | 154 | 53W | 3.0 | |
| 8 | EAC – 35 | -15 | 24W | 127 | 26W | 11.5 | |
| 9 | CAI – 20 | -18 | 08W | 111 | 10W | 6.0 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.