Daily Sunspot Evaluation
Observation Sheet Friday, 27 January 1978
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)
- 4
- Number of spots (f)
- 47
- Relative number (R)
- 87
- Observer
- GA
- Reading
- all checks consistent
- File
- 19780127.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 4 | 39 | 12'E | 221 | 10'E | ||
| 2 | ? – 20 | -29 | 71E | 162 | 69E | ||
| 3 | D – 22 | 17 | 20W | 253 | 22W | ||
| 4 | J – 1 | 20 | 06W | 239 | 08W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.