Daily Sunspot Evaluation
Observation Sheet Friday, 1 December 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)
- 6
- Number of spots (f)
- 25
- Relative number (R)
- 85
- Observer
- GA
- Reading
- all checks consistent
- File
- 19781201.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 3 | 24 | 18E | 108 | 16E | ||
| 2 | J – 1 | 13 | 10E | 117 | 07E | ||
| 3 | J – 1 | 18 | 78E | 49 | 75E | ||
| 4 | E – 18 | -17 | 41E | 86 | 38E | ||
| 5 | J – 1 | 14 | 46W | 173 | 49W | ||
| 6 | J – 1 | 14 | 02W | 129 | 05W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.