Daily Sunspot Evaluation
Observation Sheet Tuesday, 27 October 1970
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)
- 8
- Number of spots (f)
- 151
- Relative number (R)
- 231
- Observer
- SM
- Reading
- all checks consistent
- File
- 19701027.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 47 | 14 | 11E | 262 | |||
| 2 | F – 67 | 19 | 27E | 246 | |||
| 3 | J – 2 | -12 | 76E | 197 | |||
| 4 | A – 4 | 11 | 78W | 351 | |||
| 5 | B – 7 | 13 | 43W | 316 | |||
| 6 | A – 2 | 14 | 52W | 325 | |||
| 7 | H – 15 | 15 | 24W | 297 | |||
| 8 | A – 7 | 18 | 12W | 285 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.