Daily Sunspot Evaluation
Observation Sheet Wednesday, 20 June 1984
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)
- 3
- Number of spots (f)
- 32
- Relative number (R)
- 62
- Observer
- AÖ0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19840620.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 3 | 17 | 13E | 345 ⚠ | 14E | 0.75 | 144 |
| 2 | DSC – 28 | -8 | 23W | 25 | 26W | 9.5 | 140 |
| 3 | HSX – 1 | -5 | 08E | 354 | 05E | 2 | 141 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.