Daily Sunspot Evaluation
Observation Sheet Monday, 20 August 1956
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)
- 13
- Number of spots (f)
- 100
- Relative number (R)
- 230
- Observer
- AG
- Reading
- all checks consistent
- File
- 19560820.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 12 | 22 | 1E | ||||
| 2 | H – 2 | 47 | 40E | ||||
| 3 | A – 3 | 26 | 15E | ||||
| 4 | A – 2 | 23 | 29E | ||||
| 5 | A – 3 | 22 | 41E | ||||
| 6 | A – 1 | -13 | 53E | ||||
| 7 | E – 18 | -23 | 48E | ||||
| 8 | D – 18 | -21 | 25E | ||||
| 9 | E – 18 | -18 | 1W | ||||
| 10 | B – 17 | -25 | 16W | ||||
| 11 | H – 2 | -22 | 64W | ||||
| 12 | J – 1 | -14 | 76W | ||||
| 13 | C – 3 | 37 | 62W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.