Daily Sunspot Evaluation
Observation Sheet Saturday, 22 July 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)
- 5
- Number of spots (f)
- 27
- Relative number (R)
- 77
- Observer
- SB
- Reading
- all checks consistent
- File
- 19670722.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 6 | 26 | 78E | 104 | |||
| 2 | C – 6 | -13 | 27E | 155 | |||
| 3 | B – 5 | -22 | 22E | 160 | |||
| 4 | C – 8 | -29 | 04E | 178 | |||
| 5 | ? – 2 | -18 | 76W | 258 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.