Daily Sunspot Evaluation
Observation Sheet Tuesday, 19 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)
- 4
- Number of spots (f)
- 53
- Relative number (R)
- 93
- Observer
- AT
- Reading
- all checks consistent
- File
- 19681119.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 26 | 12 | 06E | 242 | |||
| 2 | ? – 6 | -16 | 83E | 165 | |||
| 3 | B – 4 | 7 | 14W | 262 | |||
| 4 | C – 17 | 17 | 44W | 292 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.