Daily Sunspot Evaluation
Observation Sheet Sunday, 14 January 1968
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)
- 120
- Relative number (R)
- 220
- Observer
- LT
- Reading
- all checks consistent
- File
- 19680114.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | -24 | 40W | 59 | |||
| 2 | A – 2 | -19 | 29W | 48 | |||
| 3 | H – 6 | -23 | 75W | 94 | |||
| 4 | C – 19 | 9 | 57W | 76 | |||
| 5 | ? – 1 | 18 | 88W | 107 | |||
| 6 | E – 34 | 14 | 42W | 61 | |||
| 7 | A – 1 | 17 | 52W | 71 | |||
| 8 | C – 19 | 9 | 17W | 36 | |||
| 9 | G – 35 | 20 | 13W | 32 | |||
| 10 | A – 1 | 18 | 3W | 22 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.