Daily Sunspot Evaluation
Observation Sheet Wednesday, 27 May 1998
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)
- 4
- Number of spots (f)
- 20
- Relative number (R)
- 60
- Observer
- SB0
- Reading
- all checks consistent
- File
- 19980527.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DSI – 10 | 18 | 58W | 212 | 68W | 13 | 2x 8,4 |
| 2 | HK – 7 | 25 | 56E | 98 | 53E | 6 | 2x 3,6 |
| 3 | ? – 2 | -25 | 78W | 232 | 81W | 2x 3,4 | |
| 4 | AX – 1 | -19 | 18E | 136 | 15E | 2x 8,5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.