Daily Sunspot Evaluation
Observation Sheet Tuesday, 10 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)
- 13
- Number of spots (f)
- 107
- Relative number (R)
- 237
- Observer
- GT
- Reading
- all checks consistent
- File
- 19781010.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | 16 | 08E | 85 | 05E | ||
| 2 | ? – 2 | 30 | 83E | 10 | 80E | ||
| 3 | H – 4 | 18 | 25E | 68 | 22E | ||
| 4 | B – 4 | 22 | 56E | 37 | 53E | ||
| 5 | ? – 22 | -16 | 69E | 24 | 66E | ||
| 6 | A – 1 | -15 | 37E | 56 | 34E | ||
| 7 | C – 4 | -15 | 28E | 65 | 25E | ||
| 8 | B – 2 | -24 | 44E | 49 | 41E | ||
| 9 | C – 7 | -19 | 33E | 60 | 30E | ||
| 10 | E – 20 | -24 | 26W | 119 | 29W | ||
| 11 | H – 21 | -15 | 65W | 158 | 68W | ||
| 12 | C – 6 | 28 | 63W | 156 | 66W | ||
| 13 | D – 11 | 23 | 09W | 102 | 12W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.