Daily Sunspot Evaluation
Observation Sheet Thursday, 23 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)
- 12
- Number of spots (f)
- 69
- Relative number (R)
- 189
- Observer
- LT
- Reading
- all checks consistent
- File
- 19670323.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 4 | 22 | 2°E | 340 | |||
| 2 | C – 5 | 15 | 8°E | 334 | |||
| 3 | H – 4 | 23 | 40°E | 302 | |||
| 4 | ? – 5 | 22 | 55°E | 287 | |||
| 5 | ? – 14 | 21 | 56°E | 286 | |||
| 6 | ? – 4 | 24 | 67°E | 275 | |||
| 7 | ? – 4 | 16 | 82°E | 260 | |||
| 8 | J – 4 | -15 | 66°W | 38 | |||
| 9 | A – 1 | 19 | 65°W | 45 | |||
| 10 | C – 5 | 25 | 24°W | 6 | |||
| 11 | G – 9 | 17 | 11°W | 353 | |||
| 12 | C – 10 | 17 | 1°W | 343 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.