Daily Sunspot Evaluation
Observation Sheet Saturday, 4 March 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)
- 7
- Number of spots (f)
- 65
- Relative number (R)
- 135
- Observer
- SB
- Reading
- counts consistent, some coordinates doubtful
- File
- 19670304.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 13 | 11 | 15E | 218 | |||
| 2 | T – 3 | 23 | 19E | 171 ⚠ | |||
| 3 | ? – 9 | -19 | 11E | 162 ⚠ | |||
| 4 | F – 18 | -21 | 10E | 223 | |||
| 5 | A – 2 | -15 | 34W | 267 | |||
| 6 | ? – 11 | 24 | 68W | 301 | |||
| 7 | F – 9 | -17 | 34W | 267 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.