Daily Sunspot Evaluation
Observation Sheet Thursday, 8 June 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)
- 87
- Relative number (R)
- 167
- Observer
- YK
- Reading
- all checks consistent
- File
- 19890608.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BRO – 5 | 11 | 72W | 248 | 4 | 260 | |
| 2 | AR – 3 | 25 | 18E | 158 | 0.5 | 269 | |
| 3 | ? – 4 | 19 | 78E | 98 | 9 | 271 | |
| 4 | DAO – 9 | -18 | 19W | 195 | 14 | 262 | |
| 5 | AX – 4 | -27 | 03E | 173 | 2 | 270 | |
| 6 | EKC – 58 | -21 | 18E | 158 | 13.25 | 271 | |
| 7 | AX – 2 | -19 | 34E | 142 | 0.5 | 275 | |
| 8 | ? – 2 | -10 | 78E | 98 | 1 | 282 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.