Daily Sunspot Evaluation
Observation Sheet Thursday, 16 June 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)
- 11
- Number of spots (f)
- 92
- Relative number (R)
- 202
- Observer
- ET
- Reading
- all checks consistent
- File
- 19600616.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 3 | 17 | 31E | ||||
| 2 | C – 4 | 21 | 58E | ||||
| 3 | J – 3 | 13 | 68E | ||||
| 4 | ? – 2 | -17 | 79E | ||||
| 5 | E – 31 | -13 | 5W | ||||
| 6 | A – 4 | -8 | 11W | ||||
| 7 | A – 1 | -11 | 23W | ||||
| 8 | D – 4 | -10 | 59W | ||||
| 9 | A – 10 | 12 | 60W | ||||
| 10 | A – 3 | 15 | 44W | ||||
| 11 | E – 27 | 20 | 28W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.