Daily Sunspot Evaluation
Observation Sheet Sunday, 12 June 1983
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)
- 4
- Number of spots (f)
- 58
- Relative number (R)
- 98
- Observer
- HG
- Reading
- counts consistent, some coordinates doubtful
- File
- 19830612.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 2 | 147 | |||||
| 2 | EKI – 46 | -9 | 43W | 274 ⚠ | 18W | 13 | 151 |
| 3 | DAI – 9 | -11 | 08E | 251 ⚠ | 05E | 7.7 | 154 |
| 4 | ? – 1 | 155 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.