Daily Sunspot Evaluation
Observation Sheet Friday, 17 November 1967
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)
- 13
- Number of spots (f)
- 103
- Relative number (R)
- 233
- Observer
- LT
- Reading
- counts consistent, some coordinates doubtful
- File
- 19671117.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 10 | 19 | 20E | 44 | |||
| 2 | C – 13 | 19 | 4E | 23 ⚠ | |||
| 3 | F – 32 | 20 | 25E | 39 | |||
| 4 | A – 1 | 0 | 39E | 25 | |||
| 5 | A – 1 | -18 | 43E | 21 | |||
| 6 | A – 4 | -14 | 56W | 120 | |||
| 7 | ? – 2 | 13 | 78W | 142 | |||
| 8 | B – 6 | 17 | 38W | 102 | |||
| 9 | H – 7 | 14 | 25W | 89 | |||
| 10 | A – 1 | 17 | 32W | 96 | |||
| 11 | A – 2 | 22 | 38W | 102 | |||
| 12 | D – 23 | 12 | 5W | 73 ⚠ | |||
| 13 | A – 1 | 22 | 3W | 67 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.