Daily Sunspot Evaluation
Observation Sheet Friday, 17 November 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)
- 8
- Number of spots (f)
- 43
- Relative number (R)
- 123
- Observer
- GT
- Reading
- all checks consistent
- File
- 19781117.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | -15 | 65E | 247 | 62E | ||
| 2 | B – 8 | -20 | 50E | 262 | 47E | ||
| 3 | ? – 1 | -26 | 72E | 240 | 69E | ||
| 4 | A – 2 | -18 | 23W | 335 | 26W | ||
| 5 | B – 9 | -18 | 32W | 344 | 35W | ||
| 6 | J – 2 | -23 | 57W | 9 | 60W | ||
| 7 | B – 7 | 10 | 19W | 331 | 22W | ||
| 8 | C – 12 | 23 | 38W | 350 | 41W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.