Daily Sunspot Evaluation
Observation Sheet Thursday, 27 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)
- 3
- Number of spots (f)
- 11
- Relative number (R)
- 41
- Observer
- FA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19771027.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 5 | 32 | 30E | 327 ⚠ | 37E | ||
| 2 | ? – 5 | 22 | 37E | 329 | 35E | ||
| 3 | ? – 1 | -26 | 82W | 88 | 84W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.