Daily Sunspot Evaluation
Observation Sheet Sunday, 30 October 1977
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)
- 4
- Number of spots (f)
- 24
- Relative number (R)
- 64
- Observer
- GT
- Reading
- all checks consistent
- File
- 19771030.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 9 | 20 | 76E | 249 | 75E | ||
| 2 | ? – 4 | -22 | 55E | 270 | 54E | ||
| 3 | C – 5 | 20 | 02W | 327 | 03W | ||
| 4 | C – 6 | 31 | 03W | 328 | 04W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.