Daily Sunspot Evaluation
Observation Sheet Wednesday, 23 April 1986
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
- AÖ0
- Reading
- all checks consistent
- File
- 19860423.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAC – 24 | 2 | 18E | 116 | 15E | 6.5 | |
| 2 | BXO – 2 | 6 | 52E | 82 | 49E | 4 | |
| 3 | HAX – 2 | -1 | 39W | 173 | 42W | 1 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.