Daily Sunspot Evaluation
Observation Sheet Friday, 25 June 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)
- 5
- Number of spots (f)
- 28
- Relative number (R)
- 78
- Observer
- HE
- Reading
- all checks consistent
- File
- 19930625.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HR – 1 | 10 | 20W | 131 | 22W | 0.5 | 161 |
| 2 | DSO – 19 | 2 | 11W | 122 | 13W | 8 | 162 |
| 3 | ? – 1 | -17 | 80W | 191 | 82W | - | 159 |
| 4 | HH – 6 | -12 | 50E | 61 | 48E | 4 | 163 |
| 5 | ? – 1 | -9 | 82E | 29 | 80E | - | 164 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.