Daily Sunspot Evaluation
Observation Sheet Sunday, 3 August 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)
- 15
- Number of spots (f)
- 128
- Relative number (R)
- 278
- Observer
- SG
- Reading
- all checks consistent
- File
- 19580803.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 26 | 4E | ||||
| 2 | A – 2 | 35 | 25E | ||||
| 3 | ? – 2 | -11 | 80E | ||||
| 4 | C – 35 | -10 | 5E | ||||
| 5 | J – 1 | -24 | 18E | ||||
| 6 | J – 4 | -10 | 13W | ||||
| 7 | H – 1 | -10 | 20W | ||||
| 8 | J – 1 | 4 | 49W | ||||
| 9 | C – 14 | 7 | 38W | ||||
| 10 | ? – 5 | 19 | 78W | ||||
| 11 | H – 4 | 19 | 56W | ||||
| 12 | C – 31 | 15 | 17W | ||||
| 13 | E – 16 | 26 | 22W | ||||
| 14 | A – 2 | 22 | 11W | ||||
| 15 | B – 8 | 28 | 9W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.