Daily Sunspot Evaluation
Observation Sheet Wednesday, 27 May 1987
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)
- 12
- Relative number (R)
- 32
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19870527.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKC – 7 | 28 | 70W | 336 | 72W | 9 | 31 |
| 2 | DAO – 5 | 22 | 15E | 251 | 13E | 5.75 | 33 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.