Daily Sunspot Evaluation
Observation Sheet Thursday, 30 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)
- 101
- Relative number (R)
- 191
- Observer
- SM
- Reading
- all checks consistent
- File
- 19670330.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 3 | 26 | 55°E | 195 | |||
| 2 | ? – 1 | 23 | 75°E | 175 | |||
| 3 | ? – 3 | 16 | 63°E | 187 | |||
| 4 | H – 26 | -20 | 18°E | 232 | |||
| 5 | E – 19 | -23 | 46°W | 296 | |||
| 6 | H – 6 | 23 | 50°W | 300 | |||
| 7 | E – 36 | 21 | 38°W | 288 | |||
| 8 | B – 6 | 17 | 24°W | 274 | |||
| 9 | A – 1 | 16 | 16°W | 266 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.