Daily Sunspot Evaluation
Observation Sheet Wednesday, 1 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)
- 13
- Number of spots (f)
- 95
- Relative number (R)
- 225
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19890201.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 8 | 18 | 70W | 126 | 73W | 07.50 | 40 |
| 2 | DAI – 7 | 22 | 68W | 124 | 71W | 6.0 | 41 |
| 3 | AX – 1 | 24 | 51E | 5 | 48E | - | 42 |
| 4 | CAO – 6 | -20 | 57W | 113 | 60W | 5.0 | 43 |
| 5 | AR – 1 | -17 | 51W | 107 | 54W | - | 44 |
| 6 | AR – 2 | -15 | 40W | 96 | 43W | - | 45 |
| 7 | CAI – 18 | -19 | 39W | 95 | 42W | 15.0 | 46 |
| 8 | DSC – 43 | -22 | 01E | 55 | 02W | 12.5 | 47 |
| 9 | BXO – 4 | -6 | 27E | 29 | 24E | 3.0 | 48 |
| 10 | HS – 1 | -23 | 59E | 357 | 56E | 2.0 | 49 |
| 11 | AR – 1 | -18 | 70E | 346 | 67E | - | 50 |
| 12 | HK – 2 | -27 | 77E | 339 | 74E | 3.5 | 51 |
| 13 | HH – 1 | -15 | 78E | 338 | 75E | 3.0 | 52 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.