Daily Sunspot Evaluation
Observation Sheet Thursday, 1 June 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)
- 98
- Relative number (R)
- 198
- Observer
- GT
- Reading
- all checks consistent
- File
- 19780601.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 5 | -26 | 18E | 7 | 15E | ||
| 2 | J – 2 | -24 | 05E | 20 | 02E | ||
| 3 | C – 6 | -20 | 23W | 48 | 26W | ||
| 4 | D – 10 | -18 | 36W | 61 | 39W | ||
| 5 | D – 12 | -18 | 57W | 82 | 60W | ||
| 6 | D – 12 | 16 | 60W | 85 | 63W | ||
| 7 | D – 4 | 21 | 66W | 91 | 69W | ||
| 8 | H – 10 | 21 | 37W | 62 | 40W | ||
| 9 | A – 1 | 22 | 62W | 87 | 65W | ||
| 10 | E – 36 | 21 | 12W | 37 | 15W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.