Daily Sunspot Evaluation
Observation Sheet Wednesday, 13 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)
- 34
- Relative number (R)
- 64
- Observer
- TS
- Reading
- all checks consistent
- File
- 19840613.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BRI – 24 | -11 | 03E | 89 | 02E | 9 | 106 |
| 2 | BRO – 5 | -7 | 40E | 52 | 37E | 7 | 107 |
| 3 | BXI – 5 | -7 | 70E | 22 | 67E | 7 | 110 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.