Daily Sunspot Evaluation
Observation Sheet Thursday, 23 November 1972
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)
- 7
- Number of spots (f)
- 35
- Relative number (R)
- 105
- Observer
- HM
- Reading
- all checks consistent
- File
- 19721123.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | -2 | 55E | 296 | |||
| 2 | H – 6 | -10 | 30E | 321 | |||
| 3 | B – 6 | -6 | 04E | 347 | |||
| 4 | A – 1 | -16 | 18W | 9 | |||
| 5 | C – 14 | -6 | 15W | 6 | |||
| 6 | G – 5 | -15 | 57W | 48 | |||
| 7 | H – 2 | -13 | 66W | 57 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.