Daily Sunspot Evaluation
Observation Sheet Friday, 15 November 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)
- 5
- Number of spots (f)
- 34
- Relative number (R)
- 84
- Observer
- AT
- Reading
- counts consistent, some coordinates doubtful
- File
- 19681115.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 9 | 07E | 293 | |||
| 2 | C – 4 | 8 | 42E | 268 ⚠ | |||
| 3 | ? – 8 | 14 | 59E | 241 | |||
| 4 | J – 4 | 12 | 17W | 317 | |||
| 5 | H – 16 | 19 | 45W | 345 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.