Daily Sunspot Evaluation
Observation Sheet Thursday, 8 May 1958
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)
- 10
- Number of spots (f)
- 88
- Relative number (R)
- 188
- Observer
- FY
- Reading
- all checks consistent
- File
- 19580508.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 6 | 8 | 16E | ||||
| 2 | C – 3 | 14 | 27E | ||||
| 3 | B – 4 | -4 | 63E | ||||
| 4 | ? – 2 | -7 | 76E | ||||
| 5 | H – 18 | -14 | 71W | ||||
| 6 | D – 18 | 2 | 24W | ||||
| 7 | ? – 5 | 24 | 73W | ||||
| 8 | J – 1 | 11 | 18W | ||||
| 9 | C – 20 | 24 | 27W | ||||
| 10 | G – 11 | 26 | 10W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.