Daily Sunspot Evaluation
Observation Sheet Saturday, 27 May 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)
- 6
- Number of spots (f)
- 85
- Relative number (R)
- 145
- Observer
- GT
- Reading
- all checks consistent
- File
- 19780527.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 11 | 22 | 00 | 91 | 03W | ||
| 2 | F – 39 | 18 | 10E | 81 | 07E | ||
| 3 | H – 5 | 26 | 27E | 66 | 24E | ||
| 4 | D – 24 | 21 | 55E | 37 | 52E | ||
| 5 | C – 4 | -17 | 13E | 78 | 10E | ||
| 6 | A – 2 | -34 | 24W | 115 | 27W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.