Daily Sunspot Evaluation
Observation Sheet Thursday, 31 May 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)
- 4
- Number of spots (f)
- 35
- Relative number (R)
- 75
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19840531.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 3 | 101 | |||||
| 2 | DAO – 5 | -9 | 22W | 289 | 25W | 4.5 | 101 |
| 3 | DAO – 5 | -11 | 01E | 266 | 02W | 4 | 102 |
| 4 | EAC – 22 | -12 | 18E | 249 | 15E | 14 | 100 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.