Daily Sunspot Evaluation
Observation Sheet Friday, 12 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)
- 10
- Number of spots (f)
- 62
- Relative number (R)
- 162
- Observer
- TÖ0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19920612.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 17 | 72W | 133 | 75W | - | 240 |
| 2 | CAI – 6 | 10 | 60W | 121 | 63W | 6 | 226 |
| 3 | BXO – 6 | 14 | 50W | 111 | 53W | 7.5 | 235 |
| 4 | DRC – 18 | 11 | 47W | 108 | 50W | 10 | 229 |
| 5 | CAO – 18 | 10 | 25W | ⚠ | 27W | 13.5 | 231 |
| 6 | CRO – 2 | -99 | 11E | 50 | 08E | 3.5 | 229 |
| 7 | BXO – 4 | -25 | 40E | 21 | 37E | 3 | 238 |
| 8 | CSO – 2 | -11 | 47E | 14 | 44 | 5.5 | 234E |
| 9 | BXO – 4 | -15 | 56E | 5 | 53E | 9 | 236 |
| 10 | ? – 1 | -12 | 77E | 344 | 74E | - | 237 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.