Daily Sunspot Evaluation
Observation Sheet Saturday, 8 September 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)
- 5
- Number of spots (f)
- 56
- Relative number (R)
- 106
- Observer
- HM
- Reading
- all checks consistent
- File
- 19730908.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 37 | -11 | 00 | 137 | 166 | ||
| 2 | C – 7 | -17 | 24W | 161 | 162 | ||
| 3 | H – 6 | -15 | 57W | 194 | 157 | ||
| 4 | H – 2 | 13 | 28W | 165 | 159 | ||
| 5 | G – 4 | 22 | 64W | 201 | 163 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.