Daily Sunspot Evaluation
Observation Sheet Thursday, 30 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)
- 49
- Relative number (R)
- 139
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19680530.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 6 | 24 | 1E | 13 | |||
| 2 | J – 1 | 18 | 7E | 7 | |||
| 3 | G – 3 | 14 | 17E | 357 | |||
| 4 | C – 6 | 10 | 40E | 334 | |||
| 5 | ? – 1 | 16 | 86E | 288 | |||
| 6 | D – 5 | -15 | 66E | 308 | |||
| 7 | J – 1 | -12 | 40E | 334 | |||
| 8 | E – 8 | -35 | 50E | 324 | |||
| 9 | D – 18 | -20 | 41W | 55 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.