Daily Sunspot Evaluation
Observation Sheet Friday, 16 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)
- 16
- Number of spots (f)
- 201
- Relative number (R)
- 361
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19890616.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 2 | 17 | 84W | 157 | 87W | 5 | 283 |
| 2 | BRO – 3 | 12 | 76W | 149 | 79W | 5 | 277 |
| 3 | AR – 3 | 10 | 62W | 135 | 65W | 3 | 281 |
| 4 | CAI – 5 | 11 | 50W | 123 | 53W | 5 | 281 |
| 5 | FKC – 84 | 20 | 18W | 91 | 21W | 20 | 281 |
| 6 | EAC – 24 | 16 | 05W | 78 | 08W | 12 | 281 |
| 7 | HS – 1 | 30 | 27E | 46 | 24E | 2 | 281 |
| 8 | AX – 2 | 20 | 30E | 43 | 27E | 2.5 | 281 |
| 9 | HA – 6 | 18 | 58E | 15 | 55E | 3 | 281 |
| 10 | ? – 5 | 21 | 75E | 358 | 72E | 7 | 275 |
| 11 | HK – 4 | -19 | 72W | 145 | 75W | 4 | 275 |
| 12 | FHO – 4 | -10 | 21W | 94 | 24W | 17.5 | 275 |
| 13 | BXI – 6 | -22 | 18W | 91 | 21W | 4 | 275 |
| 14 | FKC – 48 | -20 | 03E | 70 | 00 | 21.5 | 275 |
| 15 | AX – 2 | -10 | 48E | 25 | 45E | 1 | 275 |
| 16 | ? – 2 | -20 | 68E | 5 | 65E | 13 | 275 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.