Daily Sunspot Evaluation
Observation Sheet Saturday, 27 October 1973
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)
- 42
- Relative number (R)
- 82
- Observer
- ED
- Reading
- all checks consistent
- File
- 19731027.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 21 | 18E | 192 | 200 | ||
| 2 | J – 3 | 15 | 55E | 155 | 202 | ||
| 3 | J – 2 | 11 | 42E | 168 | 203 | ||
| 4 | E – 36 | -13 | 10E | 200 | 201 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.