Daily Sunspot Evaluation
Observation Sheet Tuesday, 16 October 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)
- 8
- Number of spots (f)
- 32
- Relative number (R)
- 112
- Observer
- ET
- Reading
- all checks consistent
- File
- 19561016.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 23 | 10E | ||||
| 2 | A – 2 | -25 | 38E | ||||
| 3 | J – 2 | -22 | 21E | ||||
| 4 | A – 2 | -20 | 10W | ||||
| 5 | C – 19 | -21 | 18W | ||||
| 6 | B – 3 | -10 | 41W | ||||
| 7 | H – 2 | 22 | 43W | ||||
| 8 | A – 1 | 23 | 54W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.