Daily Sunspot Evaluation
Observation Sheet Thursday, 8 February 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)
- 9
- Number of spots (f)
- 45
- Relative number (R)
- 135
- Observer
- SM
- Reading
- counts consistent, some coordinates doubtful
- File
- 19680208.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 2 | 21 | 18E | 32 | |||
| 2 | C – 5 | 21 | 33E | 17 | |||
| 3 | ? – 1 | 21 | 37E | 333 ⚠ | |||
| 4 | ? – 3 | 15 | 76E | 334 | |||
| 5 | ? – 1 | -15 | 88E | 322 | |||
| 6 | C – 5 | -14 | 40W | 90 | |||
| 7 | A – 3 | -18 | 62W | 112 | |||
| 8 | E – 9 | 12 | 67W | 117 | |||
| 9 | B – 16 | 12 | 22W | 72 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.