Daily Sunspot Evaluation
Observation Sheet Monday, 27 February 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)
- 13
- Number of spots (f)
- 134
- Relative number (R)
- 264
- Observer
- DK
- Reading
- all checks consistent
- File
- 19670227.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 92 | 24 | 05°E | 297 | |||
| 2 | A – 3 | 13 | 23°E | 270 | |||
| 3 | B – 7 | 16 | 30°E | 262 | |||
| 4 | B – 6 | -15 | 32°E | 266 | |||
| 5 | ? – 1 | -17 | 83°E | 225 | |||
| 6 | ? – 4 | -22 | 77°E | 221 | |||
| 7 | A – 1 | -26 | 50°E | 243 | |||
| 8 | B – 13 | -20 | 25°E | 275 | |||
| 9 | H – 2 | -22 | 12°W | 310 | |||
| 10 | A – 1 | -21 | 68°W | 6 | |||
| 11 | J – 1 | 20 | 72°W | 10 | |||
| 12 | A – 1 | 19 | 31°W | 329 | |||
| 13 | A – 2 | 13 | 21°W | 319 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.