Daily Sunspot Evaluation
Observation Sheet Monday, 20 March 1967
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)
- 9
- Number of spots (f)
- 28
- Relative number (R)
- 118
- Observer
- DK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19670320.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 2 | 25 | 14E | 7 | |||
| 2 | H – 2 | 18 | 26E | 355 | |||
| 3 | C – 11 | 19 | 37E | 344 | |||
| 4 | ? – 1 | 24 | 37E | 294 ⚠ | |||
| 5 | J – 1 | -17 | 11W | 32 | |||
| 6 | D – 8 | -14 | 22W | 43 | |||
| 7 | A – 1 | 30 | 64W | 85 | |||
| 8 | A – 1 | 19 | 24W | 45 | |||
| 9 | A – 1 | 7 | 06W | 27 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.