Daily Sunspot Evaluation
Observation Sheet Monday, 31 May 1993
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)
- 78
- Relative number (R)
- 118
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19930531.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EAO – 16 | 109 | 22W | 104 | 24W | 11 | 130 |
| 2 | FKC – 47 | 115 | 08E | 74 | 06E | 17.5 | 129 |
| 3 | CAO – 10 | 108 | 35E | 47 | 33E | 11 | 136 |
| 4 | ? – 5 | -10 | 70E | 12 | 68E | 7 | 138 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.