Daily Sunspot Evaluation
Observation Sheet Monday, 18 June 1962
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)
- 6
- Number of spots (f)
- 28
- Relative number (R)
- 88
- Observer
- KA
- Reading
- all checks consistent
- File
- 19620618.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 6 | 17 | 64E | ||||
| 2 | ? – 3 | -8 | 73E | ||||
| 3 | C – 6 | -15 | 16W | ||||
| 4 | J – 4 | -11 | 51W | ||||
| 5 | B – 5 | 4 | 33W | ||||
| 6 | A – 4 | 10 | 22W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.