Daily Sunspot Evaluation
Observation Sheet Saturday, 14 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)
- 90
- Relative number (R)
- 220
- Observer
- AK
- Reading
- all checks consistent
- File
- 19560714.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 12 | 20 | 1E | ||||
| 2 | B – 9 | 33 | 10E | ||||
| 3 | A – 2 | 21 | 31E | ||||
| 4 | D – 8 | 15 | 35E | ||||
| 5 | ? – 1 | -15 | 88E | ||||
| 6 | A – 2 | -28 | 48EW | ||||
| 7 | A – 2 | -26 | 54EW | ||||
| 8 | C – 4 | -22 | 51W | ||||
| 9 | C – 12 | 20 | 59W | ||||
| 10 | E – 26 | 14 | 26W | ||||
| 11 | J – 2 | 25 | 52W | ||||
| 12 | C – 9 | 18 | 10W | ||||
| 13 | A – 1 | 28 | 5W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.