Daily Sunspot Evaluation
Observation Sheet Wednesday, 27 June 1973
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)
- 28
- Relative number (R)
- 58
- Observer
- ED
- Reading
- all checks consistent
- File
- 19730627.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 8 | -12 | 22W | 43 | 120 | ||
| 2 | H – 13 | -8 | 45W | 66 | 117 | ||
| 3 | G – 7 | -2 | 30W | 51 | 113 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.