Daily Sunspot Evaluation
Observation Sheet Sunday, 1 January 1967
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)
- 60
- Relative number (R)
- 100
- Observer
- LT
- Reading
- all checks consistent
- File
- 19670101.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 5 | 16 | 57E | 278 | |||
| 2 | J – 2 | 6 | 70E | 259 | |||
| 3 | E – 52 | -23 | 16E | 319 | |||
| 4 | J – 1 | -23 | 51W | 20 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.