Daily Sunspot Evaluation
Observation Sheet Wednesday, 21 May 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)
- 2
- Number of spots (f)
- 6
- Relative number (R)
- 26
- Observer
- HG
- Reading
- all checks consistent
- File
- 19860521.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ARX – 1 | 3 | 08W | 129 | 08W | 4.5 | |
| 2 | ARX – 5 | 6 | 44E | 77 | 44E | 2.2.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.