Daily Sunspot Evaluation
Observation Sheet Friday, 5 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)
- 11
- Relative number (R)
- 51
- Observer
- HM
- Reading
- all checks consistent
- File
- 19731005.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 5 | -16 | 28W | 168 | 185 | ||
| 2 | A – 4 | -15 | 57W | 197 | 186 | ||
| 3 | J – 1 | 11 | 27W | 167 | 188 | ||
| 4 | J – 1 | 21 | 57W | 197 | 189 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.