Daily Sunspot Evaluation
Observation Sheet Saturday, 29 April 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)
- 7
- Number of spots (f)
- 75
- Relative number (R)
- 145
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19890429.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 3 | 34 | 51W | 37 | 52W | 2 | 155 |
| 2 | AX – 5 | 26 | 05W | 351 | 06W | 3.5 | 160 |
| 3 | AX – 1 | 16 | 10E | 336 | 09E | - | 205 |
| 4 | AX – 3 | 12 | 10E | 336 | 09E | 1 | 152 |
| 5 | ? – 2 | -25 | 78W | 64 | 79W | 3 | 190 |
| 6 | CAI – 20 | -19 | 50W | 36 | 51W | 15 | 157 |
| 7 | CKI – 41 | -19 | 29E | 317 | 28E | 17.5 | 309 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.