Daily Sunspot Evaluation
Observation Sheet Saturday, 27 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)
- 4
- Number of spots (f)
- 63
- Relative number (R)
- 103
- Observer
- LT
- Reading
- all checks consistent
- File
- 19680127.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 33 | 12 | 44E | 165 | |||
| 2 | ? – 2 | 21 | 78E | 131 | |||
| 3 | C – 24 | -12 | 48E | 161 | |||
| 4 | J – 4 | 3 | 37W | 246 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.