Daily Sunspot Evaluation
Observation Sheet Friday, 1 September 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)
- 14
- Number of spots (f)
- 92
- Relative number (R)
- 232
- Observer
- LT
- Reading
- counts consistent, some coordinates doubtful
- File
- 19670901.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 34 | 27 | 37E | 324 | |||
| 2 | A – 3 | 22 | 50E | 302 ⚠ | |||
| 3 | E – 18 | 15 | 65E | 296 | |||
| 4 | A – 1 | -21 | 68E | 293 | |||
| 5 | D – 13 | -19 | 32E | 329 | |||
| 6 | J – 3 | -28 | 28E | 338 ⚠ | |||
| 7 | A – 2 | -32 | 13W | 14 | |||
| 8 | A – 2 | -22 | 16W | 17 | |||
| 9 | B – 6 | -19 | 34W | 35 | |||
| 10 | A – 2 | -19 | 38W | 39 | |||
| 11 | A – 1 | 14 | 85W | 86 | |||
| 12 | A – 1 | 16 | 54W | 55 | |||
| 13 | ? – 3 | 24 | 85W | 86 | |||
| 14 | B – 3 | 28 | 34W | 35 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.