Daily Sunspot Evaluation
Observation Sheet Monday, 30 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)
- 7
- Number of spots (f)
- 52
- Relative number (R)
- 122
- Observer
- FA
- Reading
- all checks consistent
- File
- 19780130.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 5 | 16 | 32E | 159 | 32E | ||
| 2 | D – 10 | 21 | 48E | 143 | 48E | ||
| 3 | A – 1 | 15 | 66E | 125 | 66E | ||
| 4 | C – 9 | -16 | 23E | 168 | 23E | ||
| 5 | E – 22 | -30 | 30E | 161 | 30E | ||
| 6 | C – 4 | 16 | 65W | 256 | 65W | ||
| 7 | J – 1 | 20 | 47W | 238 | 47W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.