Daily Sunspot Evaluation
Observation Sheet Tuesday, 12 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)
- 17
- Relative number (R)
- 47
- Observer
- HG
- Reading
- all checks consistent
- File
- 19840612.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 3 | 2 | 60E | 48 | 57E | 3 | 109 |
| 2 | BXI – 12 | -12 | 18E | 90 | 15E | 8 | 106 |
| 3 | HAX – 2 | -8 | 55E | 53 | 52E | 4 | 108 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.