Daily Sunspot Evaluation
Observation Sheet Thursday, 4 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)
- 5
- Number of spots (f)
- 114
- Relative number (R)
- 164
- Observer
- GT
- Reading
- all checks consistent
- File
- 19780504.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 7 | 17 | 47E | 348 | 44E | ||
| 2 | E – 19 | -27 | 48E | 346 | 46E | ||
| 3 | E – 62 | 22 | 42W | 77 | 45W | ||
| 4 | E – 21 | 21 | 23W | 58 | 26W | ||
| 5 | B – 5 | 21 | 13W | 48 | 16W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.