Daily Sunspot Evaluation
Observation Sheet Tuesday, 31 October 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)
- 9
- Number of spots (f)
- 62
- Relative number (R)
- 152
- Observer
- SM
- Reading
- all checks consistent
- File
- 19671031.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 1 | 14 | 18E | 270 | |||
| 2 | H – 3 | 21 | 47E | 242 | |||
| 3 | H – 4 | 17 | 37E | 250 | |||
| 4 | H – 4 | 13 | 27E | 262 | |||
| 5 | G – 6 | -22 | 48E | 240 | |||
| 6 | D – 15 | -19 | 26E | 263 | |||
| 7 | D – 15 | -29 | 10E | 278 | |||
| 8 | J – 1 | 10 | 41W | 329 | |||
| 9 | C – 13 | 17 | 33W | 322 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.