Daily Sunspot Evaluation
Observation Sheet Saturday, 5 August 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)
- 8
- Number of spots (f)
- 61
- Relative number (R)
- 141
- Observer
- HM
- Reading
- all checks consistent
- File
- 19720805.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 6 | -7 | 05E | 355 | |||
| 2 | B – 5 | -8 | 22W | 22 | |||
| 3 | A – 1 | -5 | 22W | 22 | |||
| 4 | A – 1 | -18 | 54W | 54 | |||
| 5 | C – 9 | -3 | 26W | 26 | |||
| 6 | A – 1 | -16 | 65W | 65 | |||
| 7 | ? – 2 | -13 | 82W | 82 | |||
| 8 | H – 36 | 14 | 10W | 10 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.