Daily Sunspot Evaluation
Observation Sheet Monday, 30 September 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)
- 8
- Number of spots (f)
- 62
- Relative number (R)
- 142
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19680930.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 4 | -16 | 05E | 183 | |||
| 2 | A – 2 | -18 | 47W | 235 | |||
| 3 | B – 4 | 12 | 41W | 229 | |||
| 4 | H – 14 | 12 | 24W | 212 | |||
| 5 | C – 10 | 17 | 55W | 243 | |||
| 6 | ? – 2 | 17 | 68W | 258 | |||
| 7 | H – 14 | 13 | 09W | 197 | |||
| 8 | C – 12 | 19 | 37W | 226 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.