Daily Sunspot Evaluation
Observation Sheet Friday, 19 June 1992
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)
- 6
- Number of spots (f)
- 31
- Relative number (R)
- 91
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19920619.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 6 | 25 | 09E | 317 | 08E | 5 | 261 |
| 2 | BXI – 4 | 12 | 14E | 312 | 13E | 3 | 263 |
| 3 | ? – 2 | -7 | 75W | 41 | 76W | 3 | 268 |
| 4 | BXI – 5 | -10 | 51W | 17 | 52W | 6 | 236 |
| 5 | HA – 8 | -10 | 18W | 344 | 19W | 4 | 233 |
| 6 | BXO – 6 | -26 | 36E | 290 | 35E | 3 | 247 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.