Daily Sunspot Evaluation
Observation Sheet Monday, 9 October 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)
- 9
- Number of spots (f)
- 50
- Relative number (R)
- 140
- Observer
- GA
- Reading
- all checks consistent
- File
- 19781009.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 6 | 23 | 04E | 102 | 01E | ||
| 2 | A – 1 | 38 | 21E | 85 | 18E | ||
| 3 | J – 1 | 19 | 39E | 67 | 36E | ||
| 4 | A – 1 | 21 | 70E | 36 | 67E | ||
| 5 | B – 3 | -15 | 53E | 53 | 50E | ||
| 6 | D – 4 | -14 | 42E | 64 | 39E | ||
| 7 | C – 4 | -19 | 47E | 59 | 44E | ||
| 8 | D – 13 | -24 | 12W | 118 | 15W | ||
| 9 | H – 17 | -14 | 51W | 157 | 54W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.