Daily Sunspot Evaluation
Observation Sheet Thursday, 9 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)
- 8
- Number of spots (f)
- 142
- Relative number (R)
- 222
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19890309.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 6 | 23 | 51W | 353 | 54W | 8.0 | |
| 2 | BRI – 6 | 10 | 10E | 292 | 07E | 3.0 | |
| 3 | CAE – 26 | 25 | 15E | 287 | 12E | 10.5 | |
| 4 | FKC – 57 | 34 | 48E | 254 | 45E | 23.0 | |
| 5 | AR – 2 | -11 | 06E | 296 | 03E | 1.0 | |
| 6 | AX – 3 | -12 | 13E | 289 | 10E | 1.0 | |
| 7 | DAI – 21 | -36 | 49E | 253 | 46E | 9.0 | |
| 8 | CAE – 21 | -17 | 65E | 237 | 62E | 8.0 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.