Daily Sunspot Evaluation
Observation Sheet Monday, 22 July 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)
- 6
- Number of spots (f)
- 66
- Relative number (R)
- 126
- Observer
- SM
- Reading
- all checks consistent
- File
- 19680722.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 8 | 17 | 32E | 0 | |||
| 2 | C – 18 | 8 | 24E | 8 | |||
| 3 | C – 29 | -18 | 23E | 9 | |||
| 4 | J – 3 | -17 | 3W | 35 | |||
| 5 | J – 1 | -14 | 79W | 111 | |||
| 6 | H – 7 | -13 | 60W | 92 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.