Daily Sunspot Evaluation
Observation Sheet Friday, 22 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)
- 25
- Relative number (R)
- 55
- Observer
- HM
- Reading
- all checks consistent
- File
- 19840622.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CSI – 7 | -7 | 49W | 25 | 52W | 10 | 140 |
| 2 | HSX – 1 | -5 | 18W | 354 | 21W | 15 | 141 |
| 3 | CAI – 17 | -15 | 20E | 316 | 17E | 5 | 145 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.