Daily Sunspot Evaluation
Observation Sheet Tuesday, 6 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)
- 17
- Number of spots (f)
- 135
- Relative number (R)
- 305
- Observer
- SG
- Reading
- all checks consistent
- File
- 19580506.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 15 | 25 | 15E | ||||
| 2 | H – 1 | 11 | 8E | ||||
| 3 | D – 18 | 2 | 3E | ||||
| 4 | A – 1 | 23 | 45E | ||||
| 5 | J – 1 | 15 | 51E | ||||
| 6 | A – 1 | 8 | 33E | ||||
| 7 | A – 1 | 12 | 60E | ||||
| 8 | A – 1 | -22 | 71E | ||||
| 9 | I – 5 | -22 | 55W | ||||
| 10 | F – 48 | -15 | 40W | ||||
| 11 | T – 1 | -18 | 58W | ||||
| 12 | ? – 6 | 18 | 62W | ||||
| 13 | B – 13 | 21 | 51W | ||||
| 14 | ? – 3 | 28 | 64W | ||||
| 15 | C – 14 | 24 | 45W | ||||
| 16 | A – 1 | 26 | 4W | ||||
| 17 | A – 5 | 23 | 1W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.