Daily Sunspot Evaluation
Observation Sheet Monday, 5 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)
- 18
- Number of spots (f)
- 183
- Relative number (R)
- 363
- Observer
- SG
- Reading
- all checks consistent
- File
- 19580505.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 24 | 21 | 29E | ||||
| 2 | J – 1 | 11 | 22E | ||||
| 3 | A – 1 | 23 | 60E | ||||
| 4 | B – 29 | 2 | 17E | ||||
| 5 | J – 2 | 15 | 66E | ||||
| 6 | C – 9 | -26 | 40W | ||||
| 7 | A – 1 | -12 | 16W | ||||
| 8 | F – 61 | -14 | 27W | ||||
| 9 | J – 1 | -17 | 45W | ||||
| 10 | ? – 2 | -17 | 77W | ||||
| 11 | B – 3 | 13 | 52W | ||||
| 12 | ? – 4 | 24 | 78W | ||||
| 13 | G – 10 | 18 | 48W | ||||
| 14 | ? – 2 | 29 | 74W | ||||
| 15 | B – 9 | 20 | 37W | ||||
| 16 | J – 2 | 28 | 51W | ||||
| 17 | D – 20 | 24 | 31W | ||||
| 18 | A – 2 | 17 | 8W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.