Daily Sunspot Evaluation
Observation Sheet Wednesday, 16 March 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)
- 8
- Number of spots (f)
- 60
- Relative number (R)
- 140
- Observer
- SG
- Reading
- all checks consistent
- File
- 19600316.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 6 | 7 | 28E | ||||
| 2 | ? – 2 | 6 | 73E | ||||
| 3 | E – 33 | -11 | 43E | ||||
| 4 | ? – 4 | -7 | 72W | ||||
| 5 | A – 1 | 13 | 48W | ||||
| 6 | ? – 2 | 25 | 75W | ||||
| 7 | B – 9 | 6 | 18W | ||||
| 8 | B – 3 | 14 | 8W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.