Daily Sunspot Evaluation
Observation Sheet Wednesday, 29 March 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)
- 50
- Relative number (R)
- 140
- Observer
- MB
- Reading
- all checks consistent
- File
- 19890329.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 2 | 12 | 54W | 92 | 57W | 2.0 | |
| 2 | HS – 1 | 14 | 19W | 57 | 22W | 2.0 | |
| 3 | HA – 2 | 19 | 08E | 30 | 05E | 1.5 | |
| 4 | BXO – 6 | 14 | 34E | 4 | 31E | 6.0 | |
| 5 | HA – 1 | 19 | 62E | 336 | 59E | 1.0 | |
| 6 | BXE – 3 | -9 | 60W | 98 | 63W | 5.0 | |
| 7 | EKC – 29 | -25 | 29W | 67 | 32W | 12.0 | |
| 8 | AX – 3 | -18 | 16W | 54 | 19W | 2.0 | |
| 9 | ? – 3 | -19 | 85E | 313 | 82E | - |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.