Daily Sunspot Evaluation
Observation Sheet Wednesday, 4 July 1956
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)
- 13
- Number of spots (f)
- 59
- Relative number (R)
- 189
- Observer
- MH
- Reading
- all checks consistent
- File
- 19560704.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 3 | 28 | 3E | ||||
| 2 | B – 3 | 29 | 14E | ||||
| 3 | B – 3 | 19 | 68E | ||||
| 4 | ? – 1 | -21 | 80E | ||||
| 5 | C – 9 | -27 | 28E | ||||
| 6 | A – 7 | -19 | 14E | ||||
| 7 | C – 6 | -25 | 18E | ||||
| 8 | J – 3 | -16 | 17E | ||||
| 9 | J – 1 | -31 | 64W | ||||
| 10 | ? – 1 | -15 | 80W | ||||
| 11 | C – 9 | 25 | 41W | ||||
| 12 | A – 3 | 20 | 28W | ||||
| 13 | D – 10 | 31 | 31W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.