Daily Sunspot Evaluation
Observation Sheet Tuesday, 12 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)
- 21
- Relative number (R)
- 71
- Observer
- AT
- Reading
- counts consistent, some coordinates doubtful
- File
- 19681112.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 9 | 48E | 292 | |||
| 2 | C – 2 | -14 | 25E | 315 | |||
| 3 | J – 2 | -22 | 64W | 44 | |||
| 4 | J – 1 | 8 | 65W | 45 | |||
| 5 | H – 15 | 19 | 05W | 349 ⚠ |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.