Daily Sunspot Evaluation
Observation Sheet Tuesday, 16 August 1960
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)
- 10
- Number of spots (f)
- 205
- Relative number (R)
- 305
- Observer
- FY
- Reading
- all checks consistent
- File
- 19600816.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 73 | 18 | 10E | ||||
| 2 | A – 1 | 25 | 72E | ||||
| 3 | E – 10 | 16 | 43E | ||||
| 4 | C – 4 | 11 | 65E | ||||
| 5 | E – 25 | -10 | 34E | ||||
| 6 | F – 30 | -7 | 5E | ||||
| 7 | E – 40 | -13 | 21W | ||||
| 8 | A – 1 | 0 | 74W | ||||
| 9 | J – 1 | 21 | 50W | ||||
| 10 | E – 20 | 22 | 35W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.