Daily Sunspot Evaluation
Observation Sheet Sunday, 8 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)
- 10
- Number of spots (f)
- 55
- Relative number (R)
- 155
- Observer
- HM
- Reading
- all checks consistent
- File
- 19781008.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 7 | 23 | 17E | 102 | 14E | ||
| 2 | J – 1 | 19 | 52E | 67 | 49E | ||
| 3 | A – 8 | -14 | 54E | 65 | 51E | ||
| 4 | A – 1 | -15 | 63E | 56 | 60E | ||
| 5 | C – 2 | -19 | 59E | 60 | 56E | ||
| 6 | B – 6 | -29 | 51E | 68 | 48E | ||
| 7 | B – 4 | -24 | 01E | 118 | 02W | ||
| 8 | E – 23 | -14 | 37W | 156 | 40W | ||
| 9 | A – 1 | -11 | 13W | 132 | 16W | ||
| 10 | J – 2 | 12 | 20W | 139 | 23W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.