Daily Sunspot Evaluation
Observation Sheet Monday, 22 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)
- 7
- Number of spots (f)
- 46
- Relative number (R)
- 116
- Observer
- GT
- Reading
- all checks consistent
- File
- 19780522.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 9 | 18 | 76E | 82 | 73E | ||
| 2 | D – 12 | -18 | 47E | 111 | 44E | ||
| 3 | C – 7 | -30 | 22E | 136 | 19E | ||
| 4 | C – 14 | -28 | 42W | 200 | 45W | ||
| 5 | A – 2 | 17 | 63W | 221 | 66W | ||
| 6 | H – 1 | 11 | 34W | 192 | 37W | ||
| 7 | A – 1 | 21 | 50W | 208 | 53W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.