Daily Sunspot Evaluation
Observation Sheet Tuesday, 26 December 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)
- 9
- Number of spots (f)
- 65
- Relative number (R)
- 155
- Observer
- SM
- Reading
- all checks consistent
- File
- 19671226.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 5 | -15 | 76E | 195 | |||
| 2 | A – 2 | -28 | 75E | 196 | |||
| 3 | J – 1 | 15 | 6E | 265 | |||
| 4 | F – 33 | -16 | 15E | 256 | |||
| 5 | E – 11 | -22 | 22E | 249 | |||
| 6 | C – 2 | -24 | 40W | 311 | |||
| 7 | B – 4 | -17 | 51W | 322 | |||
| 8 | H – 5 | -11 | 71W | 342 | |||
| 9 | H – 2 | 23 | 65W | 336 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.