Daily Sunspot Evaluation
Observation Sheet Thursday, 9 March 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)
- 5
- Number of spots (f)
- 143
- Relative number (R)
- 193
- Observer
- LT
- Reading
- all checks consistent
- File
- 19670309.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 78 | -19 | 6E | 161 | |||
| 2 | E – 14 | -20 | 56W | 223 | |||
| 3 | D – 7 | 16 | 52W | 219 | |||
| 4 | A – 3 | 19 | 16W | 183 | |||
| 5 | D – 41 | 24 | 4W | 171 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.