Daily Sunspot Evaluation
Observation Sheet Saturday, 30 September 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)
- 87
- Relative number (R)
- 187
- Observer
- GT
- Reading
- counts consistent, some coordinates doubtful
- File
- 19780930.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 4 | 37 | 04E | 221 | 02E | ||
| 2 | J – 2 | 39 | 14E | 211 | 12E | ||
| 3 | C – 24 | 40 | 22E | 203 | 20E | ||
| 4 | H – 8 | 18 | 08E | 217 | 06E | ||
| 5 | ? – 4 | -12 | 41E | 154 ⚠ | 69E | ||
| 6 | B – 5 | -19 | 38E | 187 | 36E | ||
| 7 | H – 21 | -21 | 26E | 199 | 24E | ||
| 8 | A – 3 | -17 | 00 | 225 | 02W | ||
| 9 | D – 13 | -17 | 06W | 231 | 08W | ||
| 10 | J – 3 | 28 | 56W | 281 | 58W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.