Daily Sunspot Evaluation
Observation Sheet Saturday, 2 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)
- 11
- Number of spots (f)
- 100
- Relative number (R)
- 210
- Observer
- GA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19780902.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 7 | 37 | 08E | 226 | 06E | ||
| 2 | F – 38 | 17 | 26E | 208 | 24E | ||
| 3 | A – 2 | 19 | 41E | 180 ⚠ | 39E | ||
| 4 | A – 1 | -12 | 75E | 159 | 73E | ||
| 5 | J – 2 | -18 | 58E | 176 | 56E | ||
| 6 | J – 1 | -30 | 54E | 180 | 52E | ||
| 7 | J – 2 | -35 | 58E | 176 | 56E | ||
| 8 | F – 25 | -30 | 38E | 196 | 36E | ||
| 9 | J – 4 | -20 | 14E | 220 | 12E | ||
| 10 | A – 1 | 21 | 67W | 301 | 69W | ||
| 11 | E – 17 | 20 | 12W | 246 | 14W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.