Daily Sunspot Evaluation
Observation Sheet Friday, 24 May 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)
- 81
- Relative number (R)
- 171
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19680524.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 15 | 56E | 37 | |||
| 2 | ? – 1 | -20 | 89E | 4 | |||
| 3 | J – 1 | -9 | 17E | 76 | |||
| 4 | D – 4 | -31 | 12E | 81 | |||
| 5 | E – 11 | -16 | 17W | 110 | |||
| 6 | H – 2 | -30 | 42W | 135 | |||
| 7 | C – 3 | -30 | 77W | 170 | |||
| 8 | C – 3 | 10 | 60W | 153 | |||
| 9 | E – 54 | 20 | 12W | 105 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.