Daily Sunspot Evaluation
Observation Sheet Monday, 15 August 1960
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)
- 12
- Number of spots (f)
- 148
- Relative number (R)
- 268
- Observer
- KA
- Reading
- all checks consistent
- File
- 19600815.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 49 | 19 | 22E | ||||
| 2 | G – 6 | 15 | 52E | ||||
| 3 | J – 2 | 15 | 61E | ||||
| 4 | J – 3 | 11 | 80E | ||||
| 5 | D – 8 | -10 | 46E | ||||
| 6 | E – 21 | -6 | 15E | ||||
| 7 | A – 3 | -10 | 3E | ||||
| 8 | E – 20 | -13 | 9W | ||||
| 9 | D – 3 | -1 | 64W | ||||
| 10 | H – 2 | 21 | 38W | ||||
| 11 | E – 25 | 21 | 24W | ||||
| 12 | B – 6 | 12 | 11W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.