Daily Sunspot Evaluation
Observation Sheet Thursday, 2 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)
- 9
- Number of spots (f)
- 30
- Relative number (R)
- 120
- Observer
- LT
- Reading
- all checks consistent
- File
- 19670202.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 3 | 27 | 51E | 216 | |||
| 2 | H – 2 | 14 | 68E | 199 | |||
| 3 | J – 2 | -16 | 50E | 217 | |||
| 4 | A – 1 | -14 | 39E | 228 | |||
| 5 | A – 1 | -19 | 60E | 207 | |||
| 6 | C – 5 | -21 | 18E | 249 | |||
| 7 | H – 2 | -22 | 52W | 319 | |||
| 8 | C – 11 | 19 | 17W | 284 | |||
| 9 | C – 3 | 14 | 2W | 269 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.